11621403320 has 32 divisors (see below), whose sum is σ = 27686286000. Its totient is φ = 4375116288.

The previous prime is 11621403319. The next prime is 11621403329. The reversal of 11621403320 is 2330412611.

It is a super-2 number, since 2×11621403320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621403329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8544470 + ... + 8545829.

Almost surely, 2^11621403320 is an apocalyptic number.

11621403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11621403320 is an abundant number, since it is smaller than the sum of its proper divisors (16064882680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11621403320 is a wasteful number, since it uses less digits than its factorization.

11621403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090327 (or 17090323 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11621403320 its reverse (2330412611), we get a palindrome (13951815931).

The spelling of 11621403320 in words is "eleven billion, six hundred twenty-one million, four hundred three thousand, three hundred twenty".