1056315420620 has 24 divisors (see below), whose sum is σ = 2219506576224. Its totient is φ = 422289179136.

The previous prime is 1056315420581. The next prime is 1056315420649. The reversal of 1056315420620 is 260245136501.

It is a super-2 number, since 2×1056315420620² (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 7 ways as a sum of consecutive naturals, for example, 14775269 + ... + 14846588.

It is an arithmetic number, because the mean of its divisors is an integer number (92479440676).

Almost surely, 2^{1056315420620} is an apocalyptic number.

1056315420620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056315420620 is an abundant number, since it is smaller than the sum of its proper divisors (1163191155604).

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

1056315420620 is a wasteful number, since it uses less digits than its factorization.

1056315420620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29623649 (or 29623647 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1056315420620 in words is "one trillion, fifty-six billion, three hundred fifteen million, four hundred twenty thousand, six hundred twenty".