125155633356 has 120 divisors (see below), whose sum is σ = 355125281280. Its totient is φ = 38206038528.

The previous prime is 125155633331. The next prime is 125155633373. The reversal of 125155633356 is 653336551521.

125155633356 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 5 + 5 + 633 + 3 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 417940 + ... + 651908.

It is an arithmetic number, because the mean of its divisors is an integer number (2959377344).

Almost surely, 2^125155633356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125155633356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177562640640).

125155633356 is an abundant number, since it is smaller than the sum of its proper divisors (229969647924).

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

125155633356 is a wasteful number, since it uses less digits than its factorization.

125155633356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234125 (or 234114 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 45.

The spelling of 125155633356 in words is "one hundred twenty-five billion, one hundred fifty-five million, six hundred thirty-three thousand, three hundred fifty-six".