11883627921 has 24 divisors (see below), whose sum is σ = 17886955072. Its totient is φ = 7007536800.

The previous prime is 11883627913. The next prime is 11883627923. The reversal of 11883627921 is 12972638811.

It is not a de Polignac number, because 11883627921 - 2³ = 11883627913 is a prime.

It is a super-2 number, since 2×11883627921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11883627923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428965 + ... + 455826.

Almost surely, 2^11883627921 is an apocalyptic number.

11883627921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11883627921 is a deficient number, since it is larger than the sum of its proper divisors (6003327151).

11883627921 is a wasteful number, since it uses less digits than its factorization.

11883627921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884853 (or 884842 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The spelling of 11883627921 in words is "eleven billion, eight hundred eighty-three million, six hundred twenty-seven thousand, nine hundred twenty-one".