111141931398 has 16 divisors (see below), whose sum is σ = 222511391280. Its totient is φ = 37009389056.

The previous prime is 111141931393. The next prime is 111141931409. The reversal of 111141931398 is 893139141111.

111141931398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111141931393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9474003 + ... + 9485726.

It is an arithmetic number, because the mean of its divisors is an integer number (13906961955).

Almost surely, 2^111141931398 is an apocalyptic number.

111141931398 is an abundant number, since it is smaller than the sum of its proper divisors (111369459882).

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

111141931398 is a wasteful number, since it uses less digits than its factorization.

111141931398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18960711.

The product of its digits is 23328, while the sum is 42.

The spelling of 111141931398 in words is "one hundred eleven billion, one hundred forty-one million, nine hundred thirty-one thousand, three hundred ninety-eight".