1056515610531 has 16 divisors (see below), whose sum is σ = 1414247251968. Its totient is φ = 701564160000.

The previous prime is 1056515610509. The next prime is 1056515610541. The reversal of 1056515610531 is 1350165156501.

It is not a de Polignac number, because 1056515610531 - 2⁶ = 1056515610467 is a prime.

It is a super-2 number, since 2×1056515610531² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056515610531.

It is not an unprimeable number, because it can be changed into a prime (1056515610541) 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, 22575406 + ... + 22622156.

It is an arithmetic number, because the mean of its divisors is an integer number (88390453248).

Almost surely, 2^{1056515610531} is an apocalyptic number.

1056515610531 is a deficient number, since it is larger than the sum of its proper divisors (357731641437).

1056515610531 is a wasteful number, since it uses less digits than its factorization.

1056515610531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76322.

The product of its (nonzero) digits is 67500, while the sum is 39.

The spelling of 1056515610531 in words is "one trillion, fifty-six billion, five hundred fifteen million, six hundred ten thousand, five hundred thirty-one".