125139252480 has 576 divisors, whose sum is σ = 453117321216. Its totient is φ = 29159424000.

The previous prime is 125139252467. The next prime is 125139252547. The reversal of 125139252480 is 84252931521.

It is a super-2 number, since 2×125139252480² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297242670 + ... + 297243090.

It is an arithmetic number, because the mean of its divisors is an integer number (786662016).

Almost surely, 2^125139252480 is an apocalyptic number.

125139252480 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 125139252480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226558660608).

125139252480 is an abundant number, since it is smaller than the sum of its proper divisors (327978068736).

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

125139252480 is a wasteful number, since it uses less digits than its factorization.

125139252480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 125139252480 in words is "one hundred twenty-five billion, one hundred thirty-nine million, two hundred fifty-two thousand, four hundred eighty".