1056745613572 has 48 divisors (see below), whose sum is σ = 2145496610880. Its totient is φ = 450366566400.

The previous prime is 1056745613533. The next prime is 1056745613621. The reversal of 1056745613572 is 2753165476501.

It is a super-2 number, since 2×1056745613572² (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 15 ways as a sum of consecutive naturals, for example, 6434629 + ... + 6596812.

It is an arithmetic number, because the mean of its divisors is an integer number (44697846060).

Almost surely, 2^{1056745613572} is an apocalyptic number.

It is an amenable number.

1056745613572 is an abundant number, since it is smaller than the sum of its proper divisors (1088750997308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056745613572 is a wasteful number, since it uses less digits than its factorization.

1056745613572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031572 (or 13031570 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 1056745613572 in words is "one trillion, fifty-six billion, seven hundred forty-five million, six hundred thirteen thousand, five hundred seventy-two".