1056015521612 has 24 divisors (see below), whose sum is σ = 1856283908976. Its totient is φ = 525648981248.

The previous prime is 1056015521531. The next prime is 1056015521641. The reversal of 1056015521612 is 2161255106501.

It is a super-2 number, since 2×1056015521612² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21761408 + ... + 21809880.

It is an arithmetic number, because the mean of its divisors is an integer number (77345162874).

Almost surely, 2^{1056015521612} is an apocalyptic number.

It is an amenable number.

1056015521612 is a deficient number, since it is larger than the sum of its proper divisors (800268387364).

1056015521612 is a wasteful number, since it uses less digits than its factorization.

1056015521612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72697 (or 72695 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 1056015521612 in words is "one trillion, fifty-six billion, fifteen million, five hundred twenty-one thousand, six hundred twelve".