1090752560881 has 3 divisors (see below), whose sum is σ = 1090753605273. Its totient is φ = 1090751516490.

The previous prime is 1090752560867. The next prime is 1090752560921. The reversal of 1090752560881 is 1880652570901.

The square root of 1090752560881 is 1044391.

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 is not a de Polignac number, because 1090752560881 - 2³¹ = 1088605077233 is a prime.

It is a super-2 number, since 2×1090752560881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090752560081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 522196 + ... + 1566586.

It is an arithmetic number, because the mean of its divisors is an integer number (363584535091).

Almost surely, 2^{1090752560881} is an apocalyptic number.

1090752560881 is the 1044391-st square number.

1090752560881 is the 522196-th centered octagonal number.

It is an amenable number.

1090752560881 is a deficient number, since it is larger than the sum of its proper divisors (1044392).

1090752560881 is an frugal number, since it uses more digits than its factorization.

1090752560881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088782 (or 1044391 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 52.

It can be divided in two parts, 109075 and 2560881, that added together give a square (2669956 = 1634²).

The spelling of 1090752560881 in words is "one trillion, ninety billion, seven hundred fifty-two million, five hundred sixty thousand, eight hundred eighty-one".