111841974399898 has 32 divisors (see below), whose sum is σ = 175098837618432. Its totient is φ = 53476859145600.

The previous prime is 111841974399889. The next prime is 111841974399901. The reversal of 111841974399898 is 898993479148111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5603014638 + ... + 5603034598.

It is an arithmetic number, because the mean of its divisors is an integer number (5471838675576).

Almost surely, 2^{111841974399898} is an apocalyptic number.

111841974399898 is a deficient number, since it is larger than the sum of its proper divisors (63256863218534).

111841974399898 is a wasteful number, since it uses less digits than its factorization.

111841974399898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42990.

The product of its digits is 1128701952, while the sum is 82.

The spelling of 111841974399898 in words is "one hundred eleven trillion, eight hundred forty-one billion, nine hundred seventy-four million, three hundred ninety-nine thousand, eight hundred ninety-eight".