11681675635 has 16 divisors (see below), whose sum is σ = 16023686400. Its totient is φ = 8008740576.

The previous prime is 11681675623. The next prime is 11681675639. The reversal of 11681675635 is 53657618611.

It is a cyclic number.

It is not a de Polignac number, because 11681675635 - 2²³ = 11673287027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11681675639) 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, 168576 + ... + 227554.

It is an arithmetic number, because the mean of its divisors is an integer number (1001480400).

Almost surely, 2^11681675635 is an apocalyptic number.

11681675635 is a deficient number, since it is larger than the sum of its proper divisors (4342010765).

11681675635 is an equidigital number, since it uses as much as digits as its factorization.

11681675635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64650.

The product of its digits is 907200, while the sum is 49.

The spelling of 11681675635 in words is "eleven billion, six hundred eighty-one million, six hundred seventy-five thousand, six hundred thirty-five".