111361255115 has 16 divisors (see below), whose sum is σ = 146114115840. Its totient is φ = 80805498720.

The previous prime is 111361255111. The next prime is 111361255183. The reversal of 111361255115 is 511552163111.

It is a happy number.

It is not a de Polignac number, because 111361255115 - 2² = 111361255111 is a prime.

It is a super-2 number, since 2×111361255115² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111361255111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281949 + ... + 2330238.

It is an arithmetic number, because the mean of its divisors is an integer number (9132132240).

Almost surely, 2^111361255115 is an apocalyptic number.

111361255115 is a deficient number, since it is larger than the sum of its proper divisors (34752860725).

111361255115 is a wasteful number, since it uses less digits than its factorization.

111361255115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612642.

The product of its digits is 4500, while the sum is 32.

The spelling of 111361255115 in words is "one hundred eleven billion, three hundred sixty-one million, two hundred fifty-five thousand, one hundred fifteen".