111731616982 has 8 divisors (see below), whose sum is σ = 167680114056. Its totient is φ = 55838245632.

The previous prime is 111731616973. The next prime is 111731616989. The reversal of 111731616982 is 289616137111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111731616989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13776363 + ... + 13784470.

It is an arithmetic number, because the mean of its divisors is an integer number (20960014257).

Almost surely, 2^111731616982 is an apocalyptic number.

111731616982 is a deficient number, since it is larger than the sum of its proper divisors (55948497074).

111731616982 is a wasteful number, since it uses less digits than its factorization.

111731616982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27562862.

The product of its digits is 108864, while the sum is 46.

The spelling of 111731616982 in words is "one hundred eleven billion, seven hundred thirty-one million, six hundred sixteen thousand, nine hundred eighty-two".