11551604032 has 14 divisors (see below), whose sum is σ = 22922714378. Its totient is φ = 5775801984.

The previous prime is 11551604027. The next prime is 11551604033. The reversal of 11551604032 is 23040615511.

It can be written as a sum of positive squares in only one way, i.e., 8765453376 + 2786150656 = 93624^2 + 52784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551604033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90246843 + ... + 90246970.

Almost surely, 2^11551604032 is an apocalyptic number.

It is an amenable number.

11551604032 is a deficient number, since it is larger than the sum of its proper divisors (11371110346).

11551604032 is an equidigital number, since it uses as much as digits as its factorization.

11551604032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180493825 (or 180493815 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 11551604032 in words is "eleven billion, five hundred fifty-one million, six hundred four thousand, thirty-two".