1056855464607 has 16 divisors (see below), whose sum is σ = 1488747248640. Its totient is φ = 665800847712.

The previous prime is 1056855464597. The next prime is 1056855464641. The reversal of 1056855464607 is 7064645586501.

It is a happy number.

It is not a de Polignac number, because 1056855464607 - 2⁷ = 1056855464479 is a prime.

It is a super-2 number, since 2×1056855464607² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056855464657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129227443 + ... + 129235620.

It is an arithmetic number, because the mean of its divisors is an integer number (93046703040).

Almost surely, 2^{1056855464607} is an apocalyptic number.

1056855464607 is a deficient number, since it is larger than the sum of its proper divisors (431891784033).

1056855464607 is a wasteful number, since it uses less digits than its factorization.

1056855464607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258463142.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 1056855464607 in words is "one trillion, fifty-six billion, eight hundred fifty-five million, four hundred sixty-four thousand, six hundred seven".