111151139 has 8 divisors (see below), whose sum is σ = 122964480. Its totient is φ = 99622600.

The previous prime is 111151127. The next prime is 111151153. The reversal of 111151139 is 931151111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111151139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111151109) 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, 70379 + ... + 71940.

It is an arithmetic number, because the mean of its divisors is an integer number (15370560).

Almost surely, 2^111151139 is an apocalyptic number.

111151139 is a deficient number, since it is larger than the sum of its proper divisors (11813341).

111151139 is a wasteful number, since it uses less digits than its factorization.

111151139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142401.

The product of its digits is 135, while the sum is 23.

The square root of 111151139 is about 10542.8240524065. The cubic root of 111151139 is about 480.8075800436.

The spelling of 111151139 in words is "one hundred eleven million, one hundred fifty-one thousand, one hundred thirty-nine".