11390859137 has 6 divisors (see below), whose sum is σ = 13250591298. Its totient is φ = 9763593504.

The previous prime is 11390859133. The next prime is 11390859167. The reversal of 11390859137 is 73195809311.

It can be written as a sum of positive squares in only one way, i.e., 7670957056 + 3719902081 = 87584^2 + 60991^2 .

It is not a de Polignac number, because 11390859137 - 2² = 11390859133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11390859091 and 11390859100.

It is not an unprimeable number, because it can be changed into a prime (11390859133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116233208 + ... + 116233305.

It is an arithmetic number, because the mean of its divisors is an integer number (2208431883).

Almost surely, 2^11390859137 is an apocalyptic number.

It is an amenable number.

11390859137 is a deficient number, since it is larger than the sum of its proper divisors (1859732161).

11390859137 is an equidigital number, since it uses as much as digits as its factorization.

11390859137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232466527 (or 232466520 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 11390859137 in words is "eleven billion, three hundred ninety million, eight hundred fifty-nine thousand, one hundred thirty-seven".