11951432363 has 16 divisors (see below), whose sum is σ = 13045880736. Its totient is φ = 10882410240.

The previous prime is 11951432359. The next prime is 11951432399. The reversal of 11951432363 is 36323415911.

It is a happy number.

It is not a de Polignac number, because 11951432363 - 2² = 11951432359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11951431363) 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, 722303 + ... + 738663.

It is an arithmetic number, because the mean of its divisors is an integer number (815367546).

Almost surely, 2^11951432363 is an apocalyptic number.

11951432363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11951432363 is a deficient number, since it is larger than the sum of its proper divisors (1094448373).

11951432363 is a wasteful number, since it uses less digits than its factorization.

11951432363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134.

The product of its digits is 58320, while the sum is 38.

The spelling of 11951432363 in words is "eleven billion, nine hundred fifty-one million, four hundred thirty-two thousand, three hundred sixty-three".