111545101115 has 96 divisors (see below), whose sum is σ = 166103654400. Its totient is φ = 71544211200.

The previous prime is 111545101103. The next prime is 111545101147. The reversal of 111545101115 is 511101545111.

It is not a de Polignac number, because 111545101115 - 2⁴ = 111545101099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65652536 + ... + 65654234.

It is an arithmetic number, because the mean of its divisors is an integer number (1730246400).

Almost surely, 2^111545101115 is an apocalyptic number.

111545101115 is a deficient number, since it is larger than the sum of its proper divisors (54558553285).

111545101115 is a wasteful number, since it uses less digits than its factorization.

111545101115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 26.

Adding to 111545101115 its reverse (511101545111), we get a palindrome (622646646226).

The spelling of 111545101115 in words is "one hundred eleven billion, five hundred forty-five million, one hundred one thousand, one hundred fifteen".