111663543327 has 32 divisors (see below), whose sum is σ = 177664396800. Its totient is φ = 62323813440.

The previous prime is 111663543301. The next prime is 111663543353. The reversal of 111663543327 is 723345366111.

It is an interprime number because it is at equal distance from previous prime (111663543301) and next prime (111663543353).

It is not a de Polignac number, because 111663543327 - 2⁶ = 111663543263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111663543127) 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, 1217574 + ... + 1306067.

It is an arithmetic number, because the mean of its divisors is an integer number (5552012400).

Almost surely, 2^111663543327 is an apocalyptic number.

111663543327 is a deficient number, since it is larger than the sum of its proper divisors (66000853473).

111663543327 is an equidigital number, since it uses as much as digits as its factorization.

111663543327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523708 (or 2523694 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The spelling of 111663543327 in words is "one hundred eleven billion, six hundred sixty-three million, five hundred forty-three thousand, three hundred twenty-seven".