111157106115 has 64 divisors (see below), whose sum is σ = 196924216320. Its totient is φ = 53093007360.

The previous prime is 111157106077. The next prime is 111157106141. The reversal of 111157106115 is 511601751111.

It is not a de Polignac number, because 111157106115 - 2¹⁴ = 111157089731 is a prime.

It is a super-2 number, since 2×111157106115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3263091 + ... + 3296979.

It is an arithmetic number, because the mean of its divisors is an integer number (3076940880).

Almost surely, 2^111157106115 is an apocalyptic number.

111157106115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111157106115 is a deficient number, since it is larger than the sum of its proper divisors (85767110205).

111157106115 is a wasteful number, since it uses less digits than its factorization.

111157106115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34204.

The product of its (nonzero) digits is 1050, while the sum is 30.

Adding to 111157106115 its reverse (511601751111), we get a palindrome (622758857226).

The spelling of 111157106115 in words is "one hundred eleven billion, one hundred fifty-seven million, one hundred six thousand, one hundred fifteen".