12154055504 has 10 divisors (see below), whose sum is σ = 23548482570. Its totient is φ = 6077027744.

The previous prime is 12154055491. The next prime is 12154055509. The reversal of 12154055504 is 40555045121.

It can be written as a sum of positive squares in only one way, i.e., 7818096400 + 4335959104 = 88420^2 + 65848^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154055509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379814219 + ... + 379814250.

It is an arithmetic number, because the mean of its divisors is an integer number (2354848257).

Almost surely, 2^12154055504 is an apocalyptic number.

It is an amenable number.

12154055504 is a deficient number, since it is larger than the sum of its proper divisors (11394427066).

12154055504 is an equidigital number, since it uses as much as digits as its factorization.

12154055504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759628477 (or 759628471 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 12154055504 in words is "twelve billion, one hundred fifty-four million, fifty-five thousand, five hundred four".