111340432998 has 12 divisors (see below), whose sum is σ = 241237604868. Its totient is φ = 37113477660.

The previous prime is 111340432981. The next prime is 111340432999. The reversal of 111340432998 is 899234043111.

111340432998 is a `hidden beast` number, since 1 + 11 + 340 + 4 + 3 + 299 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111340432999) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3092789788 + ... + 3092789823.

It is an arithmetic number, because the mean of its divisors is an integer number (20103133739).

Almost surely, 2^111340432998 is an apocalyptic number.

111340432998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111340432998 is an abundant number, since it is smaller than the sum of its proper divisors (129897171870).

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

111340432998 is a wasteful number, since it uses less digits than its factorization.

111340432998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185579619 (or 6185579616 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 111340432998 in words is "one hundred eleven billion, three hundred forty million, four hundred thirty-two thousand, nine hundred ninety-eight".