11399315837 has 24 divisors (see below), whose sum is σ = 14346204480. Its totient is φ = 8866316160.

The previous prime is 11399315801. The next prime is 11399315849. The reversal of 11399315837 is 73851399311.

It is not a de Polignac number, because 11399315837 - 2⁶ = 11399315773 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 (11399315857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11864 + ... + 151457.

It is an arithmetic number, because the mean of its divisors is an integer number (597758520).

Almost surely, 2^11399315837 is an apocalyptic number.

It is an amenable number.

11399315837 is a deficient number, since it is larger than the sum of its proper divisors (2946888643).

11399315837 is a wasteful number, since it uses less digits than its factorization.

11399315837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163413 (or 163400 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The spelling of 11399315837 in words is "eleven billion, three hundred ninety-nine million, three hundred fifteen thousand, eight hundred thirty-seven".