12551146707552 has 48 divisors (see below), whose sum is σ = 33505179785280. Its totient is φ = 4112805133952.

The previous prime is 12551146707527. The next prime is 12551146707571. The reversal of 12551146707552 is 25570764115521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12551146707495 and 12551146707504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107969858 + ... + 1107981185.

It is an arithmetic number, because the mean of its divisors is an integer number (698024578860).

Almost surely, 2^{12551146707552} is an apocalyptic number.

12551146707552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12551146707552 is an abundant number, since it is smaller than the sum of its proper divisors (20954033077728).

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

12551146707552 is a wasteful number, since it uses less digits than its factorization.

12551146707552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215951115 (or 2215951107 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 51.

The spelling of 12551146707552 in words is "twelve trillion, five hundred fifty-one billion, one hundred forty-six million, seven hundred seven thousand, five hundred fifty-two".