111552051 has 8 divisors (see below), whose sum is σ = 160177360. Its totient is φ = 68647392.

The previous prime is 111552041. The next prime is 111552053. The reversal of 111552051 is 150255111.

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-111552051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111552053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430116 + ... + 1430193.

It is an arithmetic number, because the mean of its divisors is an integer number (20022170).

Almost surely, 2^111552051 is an apocalyptic number.

111552051 is a deficient number, since it is larger than the sum of its proper divisors (48625309).

111552051 is a wasteful number, since it uses less digits than its factorization.

111552051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860325.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 111552051 is about 10561.8204396780. The cubic root of 111552051 is about 481.3849627432.

The spelling of 111552051 in words is "one hundred eleven million, five hundred fifty-two thousand, fifty-one".