12557041547676 has 12 divisors (see below), whose sum is σ = 29299763611272. Its totient is φ = 4185680515888.

The previous prime is 12557041547671. The next prime is 12557041547689. The reversal of 12557041547676 is 67674514075521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12557041547676² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557041547671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523210064475 + ... + 523210064498.

It is an arithmetic number, because the mean of its divisors is an integer number (2441646967606).

Almost surely, 2^{12557041547676} is an apocalyptic number.

It is an amenable number.

12557041547676 is an abundant number, since it is smaller than the sum of its proper divisors (16742722063596).

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

12557041547676 is a wasteful number, since it uses less digits than its factorization.

12557041547676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046420128980 (or 1046420128978 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 60.

The spelling of 12557041547676 in words is "twelve trillion, five hundred fifty-seven billion, forty-one million, five hundred forty-seven thousand, six hundred seventy-six".