125537500004 has 72 divisors (see below), whose sum is σ = 263855112192. Its totient is φ = 52075820160.

The previous prime is 125537500003. The next prime is 125537500051. The reversal of 125537500004 is 400005735521.

It is not an unprimeable number, because it can be changed into a prime (125537500003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959069 + ... + 1082075.

It is an arithmetic number, because the mean of its divisors is an integer number (3664654336).

Almost surely, 2^125537500004 is an apocalyptic number.

125537500004 is a gapful number since it is divisible by the number (14) 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 125537500004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131927556096).

125537500004 is an abundant number, since it is smaller than the sum of its proper divisors (138317612188).

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

125537500004 is a wasteful number, since it uses less digits than its factorization.

125537500004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123193 (or 123184 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 125537500004 in words is "one hundred twenty-five billion, five hundred thirty-seven million, five hundred thousand, four".