11621236625 has 32 divisors (see below), whose sum is σ = 14615033472. Its totient is φ = 9225681600.

The previous prime is 11621236621. The next prime is 11621236633. The reversal of 11621236625 is 52663212611.

It is not a de Polignac number, because 11621236625 - 2² = 11621236621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11621236621) 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, 13250687 + ... + 13251563.

It is an arithmetic number, because the mean of its divisors is an integer number (456719796).

Almost surely, 2^11621236625 is an apocalyptic number.

It is an amenable number.

11621236625 is a deficient number, since it is larger than the sum of its proper divisors (2993796847).

11621236625 is an equidigital number, since it uses as much as digits as its factorization.

11621236625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1576 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 11621236625 in words is "eleven billion, six hundred twenty-one million, two hundred thirty-six thousand, six hundred twenty-five".