125002716357640 has 128 divisors (see below), whose sum is σ = 311462929797120. Its totient is φ = 44769713094400.

The previous prime is 125002716357637. The next prime is 125002716357653. The reversal of 125002716357640 is 46753617200521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28673637 + ... + 32744203.

It is an arithmetic number, because the mean of its divisors is an integer number (2433304139040).

Almost surely, 2^{125002716357640} is an apocalyptic number.

125002716357640 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 125002716357640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155731464898560).

125002716357640 is an abundant number, since it is smaller than the sum of its proper divisors (186460213439480).

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

125002716357640 is a wasteful number, since it uses less digits than its factorization.

125002716357640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071643 (or 4071639 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 125002716357640 in words is "one hundred twenty-five trillion, two billion, seven hundred sixteen million, three hundred fifty-seven thousand, six hundred forty".