3115891801 has 16 divisors (see below), whose sum is σ = 3686897088. Its totient is φ = 2600972800.

The previous prime is 3115891771. The next prime is 3115891847. The reversal of 3115891801 is 1081985113.

It is not a de Polignac number, because 3115891801 - 2⁵ = 3115891769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3115891861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195535 + ... + 210868.

It is an arithmetic number, because the mean of its divisors is an integer number (230431068).

Almost surely, 2^3115891801 is an apocalyptic number.

It is an amenable number.

3115891801 is a deficient number, since it is larger than the sum of its proper divisors (571005287).

3115891801 is a wasteful number, since it uses less digits than its factorization.

3115891801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406472.

The product of its (nonzero) digits is 8640, while the sum is 37.

The square root of 3115891801 is about 55820.1737815281. The cubic root of 3115891801 is about 1460.5870849985.

It can be divided in two parts, 3115 and 891801, that added together give a square (894916 = 946²).

The spelling of 3115891801 in words is "three billion, one hundred fifteen million, eight hundred ninety-one thousand, eight hundred one".