1056023374951 has 4 divisors (see below), whose sum is σ = 1111603552600. Its totient is φ = 1000443197304.

The previous prime is 1056023374943. The next prime is 1056023374961. The reversal of 1056023374951 is 1594733206501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1056023374951 - 2³ = 1056023374943 is a prime.

It is a super-2 number, since 2×1056023374951² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056023374961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27790088796 + ... + 27790088833.

It is an arithmetic number, because the mean of its divisors is an integer number (277900888150).

Almost surely, 2^{1056023374951} is an apocalyptic number.

1056023374951 is a deficient number, since it is larger than the sum of its proper divisors (55580177649).

1056023374951 is an equidigital number, since it uses as much as digits as its factorization.

1056023374951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55580177648.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 1056023374951 in words is "one trillion, fifty-six billion, twenty-three million, three hundred seventy-four thousand, nine hundred fifty-one".