11621475650 has 24 divisors (see below), whose sum is σ = 22555770624. Its totient is φ = 4446477200.

The previous prime is 11621475643. The next prime is 11621475659. The reversal of 11621475650 is 5657412611.

It is not an unprimeable number, because it can be changed into a prime (11621475659) 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, 5051666 + ... + 5053965.

It is an arithmetic number, because the mean of its divisors is an integer number (939823776).

Almost surely, 2^11621475650 is an apocalyptic number.

11621475650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11621475650 is a deficient number, since it is larger than the sum of its proper divisors (10934294974).

11621475650 is a wasteful number, since it uses less digits than its factorization.

11621475650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105666 (or 10105661 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 11621475650 in words is "eleven billion, six hundred twenty-one million, four hundred seventy-five thousand, six hundred fifty".