115001885 has 4 divisors (see below), whose sum is σ = 138002268. Its totient is φ = 92001504.

The previous prime is 115001881. The next prime is 115001899. The reversal of 115001885 is 588100511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21724921 + 93276964 = 4661^2 + 9658^2 .

It is a cyclic number.

It is not a de Polignac number, because 115001885 - 2² = 115001881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115001881) 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, 11500184 + ... + 11500193.

It is an arithmetic number, because the mean of its divisors is an integer number (34500567).

Almost surely, 2^115001885 is an apocalyptic number.

It is an amenable number.

115001885 is a deficient number, since it is larger than the sum of its proper divisors (23000383).

115001885 is an equidigital number, since it uses as much as digits as its factorization.

115001885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000382.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 115001885 is about 10723.8931829816. The cubic root of 115001885 is about 486.2970700948.

The spelling of 115001885 in words is "one hundred fifteen million, one thousand, eight hundred eighty-five".