111602500255 has 4 divisors (see below), whose sum is σ = 133923000312. Its totient is φ = 89282000200.

The previous prime is 111602500231. The next prime is 111602500279. The reversal of 111602500255 is 552005206111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (111602500231) and next prime (111602500279).

It is not a de Polignac number, because 111602500255 - 2⁵ = 111602500223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11160250021 + ... + 11160250030.

It is an arithmetic number, because the mean of its divisors is an integer number (33480750078).

Almost surely, 2^111602500255 is an apocalyptic number.

111602500255 is a deficient number, since it is larger than the sum of its proper divisors (22320500057).

111602500255 is an equidigital number, since it uses as much as digits as its factorization.

111602500255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22320500056.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 111602500255 its reverse (552005206111), we get a palindrome (663607706366).

The spelling of 111602500255 in words is "one hundred eleven billion, six hundred two million, five hundred thousand, two hundred fifty-five".