10521767055 has 16 divisors (see below), whose sum is σ = 16880707584. Its totient is φ = 5596315680.

The previous prime is 10521767029. The next prime is 10521767063. The reversal of 10521767055 is 55076712501.

It is not a de Polignac number, because 10521767055 - 2⁸ = 10521766799 is a prime.

It is a super-2 number, since 2×10521767055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950151 + ... + 961160.

It is an arithmetic number, because the mean of its divisors is an integer number (1055044224).

Almost surely, 2^10521767055 is an apocalyptic number.

10521767055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10521767055 is a deficient number, since it is larger than the sum of its proper divisors (6358940529).

10521767055 is a wasteful number, since it uses less digits than its factorization.

10521767055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911686.

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 10521767055 in words is "ten billion, five hundred twenty-one million, seven hundred sixty-seven thousand, fifty-five".