111983151 has 8 divisors (see below), whose sum is σ = 170641024. Its totient is φ = 63990360.

The previous prime is 111983149. The next prime is 111983153. The reversal of 111983151 is 151389111.

It is an interprime number because it is at equal distance from previous prime (111983149) and next prime (111983153).

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

It is not a de Polignac number, because 111983151 - 2¹ = 111983149 is a prime.

It is a super-2 number, since 2×111983151² = 25080452215777602, which 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 (111983153) 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, 2666245 + ... + 2666286.

It is an arithmetic number, because the mean of its divisors is an integer number (21330128).

Almost surely, 2^111983151 is an apocalyptic number.

111983151 is a deficient number, since it is larger than the sum of its proper divisors (58657873).

111983151 is an equidigital number, since it uses as much as digits as its factorization.

111983151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332541.

The product of its digits is 1080, while the sum is 30.

The square root of 111983151 is about 10582.2091738918. The cubic root of 111983151 is about 482.0042799044.

The spelling of 111983151 in words is "one hundred eleven million, nine hundred eighty-three thousand, one hundred fifty-one".