12555007622574 has 16 divisors (see below), whose sum is σ = 25164960579408. Its totient is φ = 4175844985152.

The previous prime is 12555007622491. The next prime is 12555007622581. The reversal of 12555007622574 is 47522670055521.

It is a happy number.

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, 2289385957 + ... + 2289391440.

It is an arithmetic number, because the mean of its divisors is an integer number (1572810036213).

Almost surely, 2^{12555007622574} is an apocalyptic number.

12555007622574 is an abundant number, since it is smaller than the sum of its proper divisors (12609952956834).

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

12555007622574 is a wasteful number, since it uses less digits than its factorization.

12555007622574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578777859.

The product of its (nonzero) digits is 5880000, while the sum is 51.

The spelling of 12555007622574 in words is "twelve trillion, five hundred fifty-five billion, seven million, six hundred twenty-two thousand, five hundred seventy-four".