125125533104 has 80 divisors (see below), whose sum is σ = 284915764224. Its totient is φ = 52481414400.

The previous prime is 125125533097. The next prime is 125125533121. The reversal of 125125533104 is 401335521521.

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, 7704737 + ... + 7720959.

Almost surely, 2^125125533104 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 125125533104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142457882112).

125125533104 is an abundant number, since it is smaller than the sum of its proper divisors (159790231120).

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

125125533104 is a wasteful number, since it uses less digits than its factorization.

125125533104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626 (or 19620 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 125125533104 in words is "one hundred twenty-five billion, one hundred twenty-five million, five hundred thirty-three thousand, one hundred four".