10172056455 has 24 divisors (see below), whose sum is σ = 19234434960. Its totient is φ = 4931905920.

The previous prime is 10172056361. The next prime is 10172056459. The reversal of 10172056455 is 55465027101.

10172056455 is a `hidden beast` number, since 1 + 0 + 1 + 7 + 2 + 0 + 5 + 645 + 5 = 666.

10172056455 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 10172056455 - 2¹¹ = 10172054407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172056459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10274310 + ... + 10275299.

It is an arithmetic number, because the mean of its divisors is an integer number (801434790).

Almost surely, 2^10172056455 is an apocalyptic number.

10172056455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10172056455 is a deficient number, since it is larger than the sum of its proper divisors (9062378505).

10172056455 is a wasteful number, since it uses less digits than its factorization.

10172056455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20549631 (or 20549628 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 10172056455 in words is "ten billion, one hundred seventy-two million, fifty-six thousand, four hundred fifty-five".