111925057 has 8 divisors (see below), whose sum is σ = 113945832. Its totient is φ = 109910400.

The previous prime is 111925043. The next prime is 111925063. The reversal of 111925057 is 750529111.

It can be written as a sum of positive squares in 4 ways, for example, as 38925121 + 72999936 = 6239^2 + 8544^2 .

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 111925057 - 2⁷ = 111924929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111925757) 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, 51207 + ... + 53347.

It is an arithmetic number, because the mean of its divisors is an integer number (14243229).

Almost surely, 2^111925057 is an apocalyptic number.

It is an amenable number.

111925057 is a deficient number, since it is larger than the sum of its proper divisors (2020775).

111925057 is an equidigital number, since it uses as much as digits as its factorization.

111925057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 111925057 is about 10579.4639278179. The cubic root of 111925057 is about 481.9209149816.

The spelling of 111925057 in words is "one hundred eleven million, nine hundred twenty-five thousand, fifty-seven".