11373391539 has 12 divisors (see below), whose sum is σ = 16429725000. Its totient is φ = 7581572064.

The previous prime is 11373391489. The next prime is 11373391559. The reversal of 11373391539 is 93519337311.

11373391539 is a `hidden beast` number, since 1 + 13 + 73 + 39 + 1 + 539 = 666.

It is not a de Polignac number, because 11373391539 - 2⁸ = 11373391283 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11373391494 and 11373391503.

It is not an unprimeable number, because it can be changed into a prime (11373391559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59712 + ... + 162210.

It is an arithmetic number, because the mean of its divisors is an integer number (1369143750).

Almost surely, 2^11373391539 is an apocalyptic number.

11373391539 is a deficient number, since it is larger than the sum of its proper divisors (5056333461).

11373391539 is a wasteful number, since it uses less digits than its factorization.

11373391539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114834 (or 114831 counting only the distinct ones).

The product of its digits is 229635, while the sum is 45.

The spelling of 11373391539 in words is "eleven billion, three hundred seventy-three million, three hundred ninety-one thousand, five hundred thirty-nine".