125252652640 has 48 divisors (see below), whose sum is σ = 295930596528. Its totient is φ = 50097470976.

The previous prime is 125252652611. The next prime is 125252652647. The reversal of 125252652640 is 46256252521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 125252652593 and 125252652602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252652647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158274 + ... + 4188286.

It is an arithmetic number, because the mean of its divisors is an integer number (6165220761).

Almost surely, 2^125252652640 is an apocalyptic number.

125252652640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125252652640 is an abundant number, since it is smaller than the sum of its proper divisors (170677943888).

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

125252652640 is a wasteful number, since it uses less digits than its factorization.

125252652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56111 (or 56103 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 125252652640 in words is "one hundred twenty-five billion, two hundred fifty-two million, six hundred fifty-two thousand, six hundred forty".