111654881231 has 8 divisors (see below), whose sum is σ = 113987412000. Its totient is φ = 109343459680.

The previous prime is 111654881197. The next prime is 111654881249. The reversal of 111654881231 is 132188456111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111654881231 - 2²⁶ = 111587772367 is a prime.

It is a super-2 number, since 2×111654881231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111654881291) 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, 5266616 + ... + 5287773.

It is an arithmetic number, because the mean of its divisors is an integer number (14248426500).

Almost surely, 2^111654881231 is an apocalyptic number.

111654881231 is a deficient number, since it is larger than the sum of its proper divisors (2332530769).

111654881231 is a wasteful number, since it uses less digits than its factorization.

111654881231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554609.

The product of its digits is 46080, while the sum is 41.

The spelling of 111654881231 in words is "one hundred eleven billion, six hundred fifty-four million, eight hundred eighty-one thousand, two hundred thirty-one".