125030666640 has 160 divisors (see below), whose sum is σ = 423091777536. Its totient is φ = 30291770880.

The previous prime is 125030666627. The next prime is 125030666653. The reversal of 125030666640 is 46666030521.

It is an interprime number because it is at equal distance from previous prime (125030666627) and next prime (125030666653).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534977 + ... + 4562463.

Almost surely, 2^125030666640 is an apocalyptic number.

125030666640 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 125030666640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211545888768).

125030666640 is an abundant number, since it is smaller than the sum of its proper divisors (298061110896).

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

125030666640 is a wasteful number, since it uses less digits than its factorization.

125030666640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29237 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 125030666640 in words is "one hundred twenty-five billion, thirty million, six hundred sixty-six thousand, six hundred forty".