10520431115115 has 32 divisors (see below), whose sum is σ = 17048502777600. Its totient is φ = 5539409953920.

The previous prime is 10520431115113. The next prime is 10520431115147. The reversal of 10520431115115 is 51151113402501.

It is not a de Polignac number, because 10520431115115 - 2¹ = 10520431115113 is a prime.

It is a super-2 number, since 2×10520431115115² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520431115113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13721116 + ... + 14467545.

It is an arithmetic number, because the mean of its divisors is an integer number (532765711800).

Almost surely, 2^{10520431115115} is an apocalyptic number.

10520431115115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10520431115115 is a deficient number, since it is larger than the sum of its proper divisors (6528071662485).

10520431115115 is a wasteful number, since it uses less digits than its factorization.

10520431115115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28188987.

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 10520431115115 its reverse (51151113402501), we get a palindrome (61671544517616).

The spelling of 10520431115115 in words is "ten trillion, five hundred twenty billion, four hundred thirty-one million, one hundred fifteen thousand, one hundred fifteen".