111005606115 has 32 divisors (see below), whose sum is σ = 197364897600. Its totient is φ = 59196510720.

The previous prime is 111005606081. The next prime is 111005606119. The reversal of 111005606115 is 511606500111.

It is not a de Polignac number, because 111005606115 - 2¹⁷ = 111005475043 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 (111005606119) 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, 1353501 + ... + 1433169.

It is an arithmetic number, because the mean of its divisors is an integer number (6167653050).

Almost surely, 2^111005606115 is an apocalyptic number.

111005606115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111005606115 is a deficient number, since it is larger than the sum of its proper divisors (86359291485).

111005606115 is a wasteful number, since it uses less digits than its factorization.

111005606115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90004 (or 89998 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 111005606115 in words is "one hundred eleven billion, five million, six hundred six thousand, one hundred fifteen".