13127041785872 has 20 divisors (see below), whose sum is σ = 29067021097536. Its totient is φ = 5625875051040.

The previous prime is 13127041785859. The next prime is 13127041785887. The reversal of 13127041785872 is 27858714072131.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58602865004 + ... + 58602865227.

Almost surely, 2^{13127041785872} is an apocalyptic number.

It is an amenable number.

13127041785872 is an abundant number, since it is smaller than the sum of its proper divisors (15939979311664).

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

13127041785872 is a wasteful number, since it uses less digits than its factorization.

13127041785872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117205730246 (or 117205730240 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 13127041785872 in words is "thirteen trillion, one hundred twenty-seven billion, forty-one million, seven hundred eighty-five thousand, eight hundred seventy-two".