11853535507 has 32 divisors (see below), whose sum is σ = 13699445760. Its totient is φ = 10151137920.

The previous prime is 11853535493. The next prime is 11853535511. The reversal of 11853535507 is 70553535811.

It is a de Polignac number, because none of the positive numbers 2^k-11853535507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11853533507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5132469 + ... + 5134777.

It is an arithmetic number, because the mean of its divisors is an integer number (428107680).

Almost surely, 2^11853535507 is an apocalyptic number.

11853535507 is a deficient number, since it is larger than the sum of its proper divisors (1845910253).

11853535507 is a wasteful number, since it uses less digits than its factorization.

11853535507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 11853535507 in words is "eleven billion, eight hundred fifty-three million, five hundred thirty-five thousand, five hundred seven".