1101469141081 has 3 divisors (see below), whose sum is σ = 1101470190591. Its totient is φ = 1101468091572.

The previous prime is 1101469141061. The next prime is 1101469141117. The reversal of 1101469141081 is 1801419641011.

It is a happy number.

The square root of 1101469141081 is 1049509.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 745561444681 + 355907696400 = 863459^2 + 596580^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1101469141081 is a prime.

It is a super-2 number, since 2×1101469141081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101469141081.

It is not an unprimeable number, because it can be changed into a prime (1101469141001) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 524755 + ... + 1574263.

It is an arithmetic number, because the mean of its divisors is an integer number (367156730197).

Almost surely, 2^{1101469141081} is an apocalyptic number.

1101469141081 is the 1049509-th square number.

1101469141081 is the 524755-th centered octagonal number.

It is an amenable number.

1101469141081 is a deficient number, since it is larger than the sum of its proper divisors (1049510).

1101469141081 is an frugal number, since it uses more digits than its factorization.

1101469141081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099018 (or 1049509 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 1101469141081 in words is "one trillion, one hundred one billion, four hundred sixty-nine million, one hundred forty-one thousand, eighty-one".