1056331672772 has 12 divisors (see below), whose sum is σ = 1849006692540. Its totient is φ = 528044046336.

The previous prime is 1056331672717. The next prime is 1056331672801. The reversal of 1056331672772 is 2772761336501.

1056331672772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5903463556 + 1050428209216 = 76834^2 + 1024904^2 .

It is a super-2 number, since 2×1056331672772² (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 1056331672772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30427997 + ... + 30462692.

It is an arithmetic number, because the mean of its divisors is an integer number (154083891045).

Almost surely, 2^{1056331672772} is an apocalyptic number.

It is an amenable number.

1056331672772 is a deficient number, since it is larger than the sum of its proper divisors (792675019768).

1056331672772 is a wasteful number, since it uses less digits than its factorization.

1056331672772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60895030 (or 60895028 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 1056331672772 in words is "one trillion, fifty-six billion, three hundred thirty-one million, six hundred seventy-two thousand, seven hundred seventy-two".