111157002 has 32 divisors (see below), whose sum is σ = 269472960. Its totient is φ = 33683760.

The previous prime is 111156977. The next prime is 111157009. The reversal of 111157002 is 200751111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111157009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92973 + ... + 94160.

It is an arithmetic number, because the mean of its divisors is an integer number (8421030).

Almost surely, 2^111157002 is an apocalyptic number.

111157002 is an abundant number, since it is smaller than the sum of its proper divisors (158315958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111157002 is a wasteful number, since it uses less digits than its factorization.

111157002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187155 (or 187149 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 111157002 is about 10543.1021051681. The cubic root of 111157002 is about 480.8160337740.

The spelling of 111157002 in words is "one hundred eleven million, one hundred fifty-seven thousand, two".