125350324640 has 24 divisors (see below), whose sum is σ = 296140142340. Its totient is φ = 50140129792.

The previous prime is 125350324639. The next prime is 125350324643. The reversal of 125350324640 is 46423053521.

It can be written as a sum of positive squares in 2 ways, for example, as 104460825616 + 20889499024 = 323204^2 + 144532^2 .

It is a super-2 number, since 2×125350324640² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125350324640.

It is not an unprimeable number, because it can be changed into a prime (125350324643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391719605 + ... + 391719924.

Almost surely, 2^125350324640 is an apocalyptic number.

125350324640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125350324640 is an abundant number, since it is smaller than the sum of its proper divisors (170789817700).

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

125350324640 is an equidigital number, since it uses as much as digits as its factorization.

125350324640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783439544 (or 783439536 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 125350324640 in words is "one hundred twenty-five billion, three hundred fifty million, three hundred twenty-four thousand, six hundred forty".