10520015715 has 48 divisors (see below), whose sum is σ = 19993555296. Its totient is φ = 5074675200.

The previous prime is 10520015707. The next prime is 10520015717. The reversal of 10520015715 is 51751002501.

10520015715 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 10520015715 - 2³ = 10520015707 is a prime.

It is a super-2 number, since 2×10520015715² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520015717) 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 47 ways as a sum of consecutive naturals, for example, 43575 + ... + 151455.

It is an arithmetic number, because the mean of its divisors is an integer number (416532402).

Almost surely, 2^10520015715 is an apocalyptic number.

10520015715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10520015715 is a deficient number, since it is larger than the sum of its proper divisors (9473539581).

10520015715 is a wasteful number, since it uses less digits than its factorization.

10520015715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108100 (or 108097 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The spelling of 10520015715 in words is "ten billion, five hundred twenty million, fifteen thousand, seven hundred fifteen".