126115275725880 has 64 divisors (see below), whose sum is σ = 432395231063040. Its totient is φ = 28826348737152.

The previous prime is 126115275725863. The next prime is 126115275725893. The reversal of 126115275725880 is 88527572511621.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75068615664 + ... + 75068617343.

It is an arithmetic number, because the mean of its divisors is an integer number (6756175485360).

Almost surely, 2^{126115275725880} is an apocalyptic number.

126115275725880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126115275725880 is an abundant number, since it is smaller than the sum of its proper divisors (306279955337160).

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

126115275725880 is a wasteful number, since it uses less digits than its factorization.

126115275725880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150137233028 (or 150137233024 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 60.

The spelling of 126115275725880 in words is "one hundred twenty-six trillion, one hundred fifteen billion, two hundred seventy-five million, seven hundred twenty-five thousand, eight hundred eighty".