125125554200 has 96 divisors (see below), whose sum is σ = 301616112000. Its totient is φ = 48223641600.

The previous prime is 125125554163. The next prime is 125125554217. The reversal of 125125554200 is 2455521521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375736 + ... + 1463864.

It is an arithmetic number, because the mean of its divisors is an integer number (3141834500).

Almost surely, 2^125125554200 is an apocalyptic number.

125125554200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125125554200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150808056000).

125125554200 is an abundant number, since it is smaller than the sum of its proper divisors (176490557800).

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

125125554200 is a wasteful number, since it uses less digits than its factorization.

125125554200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88405 (or 88396 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 125125554200 in words is "one hundred twenty-five billion, one hundred twenty-five million, five hundred fifty-four thousand, two hundred".