1010811062881 has 3 divisors (see below), whose sum is σ = 1010812068273. Its totient is φ = 1010810057490.

The previous prime is 1010811062869. The next prime is 1010811062887. The reversal of 1010811062881 is 1882601180101.

The square root of 1010811062881 is 1005391.

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 1010811062881 - 2⁷ = 1010811062753 is a prime.

It is a super-2 number, since 2×1010811062881² (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 1010811062881.

It is not an unprimeable number, because it can be changed into a prime (1010811062887) 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, 502696 + ... + 1508086.

It is an arithmetic number, because the mean of its divisors is an integer number (336937356091).

Almost surely, 2^{1010811062881} is an apocalyptic number.

1010811062881 is the 1005391-st square number.

1010811062881 is the 502696-th centered octagonal number.

It is an amenable number.

1010811062881 is a deficient number, since it is larger than the sum of its proper divisors (1005392).

1010811062881 is an frugal number, since it uses more digits than its factorization.

1010811062881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010782 (or 1005391 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 37.

The spelling of 1010811062881 in words is "one trillion, ten billion, eight hundred eleven million, sixty-two thousand, eight hundred eighty-one".