11484369721 has 16 divisors (see below), whose sum is σ = 13026277440. Its totient is φ = 10029100480.

The previous prime is 11484369719. The next prime is 11484369733. The reversal of 11484369721 is 12796348411.

It is a cyclic number.

It is not a de Polignac number, because 11484369721 - 2¹ = 11484369719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11484369791) 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, 28531 + ... + 154216.

It is an arithmetic number, because the mean of its divisors is an integer number (814142340).

Almost surely, 2^11484369721 is an apocalyptic number.

11484369721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11484369721 is a deficient number, since it is larger than the sum of its proper divisors (1541907719).

11484369721 is a wasteful number, since it uses less digits than its factorization.

11484369721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182984.

The product of its digits is 290304, while the sum is 46.

The spelling of 11484369721 in words is "eleven billion, four hundred eighty-four million, three hundred sixty-nine thousand, seven hundred twenty-one".