12465888916554 has 32 divisors (see below), whose sum is σ = 27716813288640. Its totient is φ = 4153070617776.

The previous prime is 12465888916553. The next prime is 12465888916631. The reversal of 12465888916554 is 45561988856421.

12465888916554 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 58 + 8 + 8 + 9 + 16 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (12465888916553) 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, 61722909 + ... + 61924544.

It is an arithmetic number, because the mean of its divisors is an integer number (866150415270).

Almost surely, 2^{12465888916554} is an apocalyptic number.

12465888916554 is an abundant number, since it is smaller than the sum of its proper divisors (15250924372086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12465888916554 is a wasteful number, since it uses less digits than its factorization.

12465888916554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123649331 (or 123649325 counting only the distinct ones).

The product of its digits is 663552000, while the sum is 72.

The spelling of 12465888916554 in words is "twelve trillion, four hundred sixty-five billion, eight hundred eighty-eight million, nine hundred sixteen thousand, five hundred fifty-four".