1056534710881 has 16 divisors (see below), whose sum is σ = 1138610124288. Its totient is φ = 974574403200.

The previous prime is 1056534710857. The next prime is 1056534710899. The reversal of 1056534710881 is 1880174356501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1056534710881 - 2²³ = 1056526322273 is a prime.

It is a super-2 number, since 2×1056534710881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056534710801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187292821 + ... + 187298461.

It is an arithmetic number, because the mean of its divisors is an integer number (71163132768).

Almost surely, 2^{1056534710881} is an apocalyptic number.

It is an amenable number.

1056534710881 is a deficient number, since it is larger than the sum of its proper divisors (82075413407).

1056534710881 is a wasteful number, since it uses less digits than its factorization.

1056534710881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 1056534710881 in words is "one trillion, fifty-six billion, five hundred thirty-four million, seven hundred ten thousand, eight hundred eighty-one".