111952998 has 24 divisors (see below), whose sum is σ = 242965008. Its totient is φ = 37256112.

The previous prime is 111952961. The next prime is 111952999. The reversal of 111952998 is 899259111.

111952998 is a `hidden beast` number, since 1 + 119 + 529 + 9 + 8 = 666.

It is a super-2 number, since 2×111952998² = 25066947522376008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111952999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6840 + ... + 16452.

It is an arithmetic number, because the mean of its divisors is an integer number (10123542).

Almost surely, 2^111952998 is an apocalyptic number.

111952998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111952998 is an abundant number, since it is smaller than the sum of its proper divisors (131012010).

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

111952998 is a wasteful number, since it uses less digits than its factorization.

111952998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10265 counting only the distinct ones).

The product of its digits is 58320, while the sum is 45.

The square root of 111952998 is about 10580.7843754610. The cubic root of 111952998 is about 481.9610139321.

The spelling of 111952998 in words is "one hundred eleven million, nine hundred fifty-two thousand, nine hundred ninety-eight".