10115516115 has 80 divisors (see below), whose sum is σ = 19174763520. Its totient is φ = 5087603520.

The previous prime is 10115516107. The next prime is 10115516119. The reversal of 10115516115 is 51161551101.

10115516115 is a `hidden beast` number, since 101 + 1 + 551 + 6 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 10115516115 - 2³ = 10115516107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10115516119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1743870 + ... + 1749660.

It is an arithmetic number, because the mean of its divisors is an integer number (239684544).

Almost surely, 2^10115516115 is an apocalyptic number.

10115516115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10115516115 is a deficient number, since it is larger than the sum of its proper divisors (9059247405).

10115516115 is a wasteful number, since it uses less digits than its factorization.

10115516115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054 (or 6045 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 10115516115 in words is "ten billion, one hundred fifteen million, five hundred sixteen thousand, one hundred fifteen".