1056253565242 has 16 divisors (see below), whose sum is σ = 1653869809152. Its totient is φ = 504980388880.

The previous prime is 1056253565207. The next prime is 1056253565273. The reversal of 1056253565242 is 2425653526501.

It is a super-2 number, since 2×1056253565242² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 1056253565192 and 1056253565201.

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, 4062538 + ... + 4314709.

It is an arithmetic number, because the mean of its divisors is an integer number (103366863072).

Almost surely, 2^{1056253565242} is an apocalyptic number.

1056253565242 is a deficient number, since it is larger than the sum of its proper divisors (597616243910).

1056253565242 is a wasteful number, since it uses less digits than its factorization.

1056253565242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380013.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 1056253565242 in words is "one trillion, fifty-six billion, two hundred fifty-three million, five hundred sixty-five thousand, two hundred forty-two".