10520948979 has 20 divisors (see below), whose sum is σ = 15719758560. Its totient is φ = 7012502640.

The previous prime is 10520948923. The next prime is 10520948993. The reversal of 10520948979 is 97984902501.

10520948979 is a `hidden beast` number, since 1 + 0 + 520 + 9 + 48 + 9 + 79 = 666.

It is not a de Polignac number, because 10520948979 - 2²⁴ = 10504171763 is a prime.

It is a super-2 number, since 2×10520948979² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520940979) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 493462 + ... + 514340.

It is an arithmetic number, because the mean of its divisors is an integer number (785987928).

Almost surely, 2^10520948979 is an apocalyptic number.

10520948979 is a deficient number, since it is larger than the sum of its proper divisors (5198809581).

10520948979 is an equidigital number, since it uses as much as digits as its factorization.

10520948979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27112 (or 27103 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 10520948979 in words is "ten billion, five hundred twenty million, nine hundred forty-eight thousand, nine hundred seventy-nine".