10526056021 has 16 divisors (see below), whose sum is σ = 11775400560. Its totient is φ = 9342305280.

The previous prime is 10526056019. The next prime is 10526056027. The reversal of 10526056021 is 12065062501.

It can be written as a sum of positive squares in 8 ways, for example, as 198415396 + 10327640625 = 14086^2 + 101625^2 .

It is a cyclic number.

It is not a de Polignac number, because 10526056021 - 2¹ = 10526056019 is a prime.

It is a super-2 number, since 2×10526056021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10526056027) 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, 32931 + ... + 148783.

It is an arithmetic number, because the mean of its divisors is an integer number (735962535).

Almost surely, 2^10526056021 is an apocalyptic number.

It is an amenable number.

10526056021 is a deficient number, since it is larger than the sum of its proper divisors (1249344539).

10526056021 is a wasteful number, since it uses less digits than its factorization.

10526056021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116136.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 10526056021 in words is "ten billion, five hundred twenty-six million, fifty-six thousand, twenty-one".