10256412820455 has 96 divisors (see below), whose sum is σ = 18586496597760. Its totient is φ = 5227638197760.

The previous prime is 10256412820453. The next prime is 10256412820523. The reversal of 10256412820455 is 55402821465201.

10256412820455 is a `hidden beast` number, since 1 + 0 + 2 + 56 + 4 + 128 + 20 + 455 = 666.

10256412820455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10256412820455 - 2¹ = 10256412820453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10256412820455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256412820453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21895324 + ... + 22358846.

It is an arithmetic number, because the mean of its divisors is an integer number (193609339560).

Almost surely, 2^{10256412820455} is an apocalyptic number.

10256412820455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10256412820455 is a deficient number, since it is larger than the sum of its proper divisors (8330083777305).

10256412820455 is a wasteful number, since it uses less digits than its factorization.

10256412820455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463821 (or 463818 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 10256412820455 in words is "ten trillion, two hundred fifty-six billion, four hundred twelve million, eight hundred twenty thousand, four hundred fifty-five".