125540623344 has 40 divisors (see below), whose sum is σ = 324326953552. Its totient is φ = 41845109760.

The previous prime is 125540623321. The next prime is 125540623363. The reversal of 125540623344 is 443326045521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618734 + ... + 1694514.

Almost surely, 2^125540623344 is an apocalyptic number.

It is an amenable number.

125540623344 is an abundant number, since it is smaller than the sum of its proper divisors (198786330208).

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

125540623344 is a wasteful number, since it uses less digits than its factorization.

125540623344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110305 (or 110299 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 125540623344 its reverse (443326045521), we get a palindrome (568866668865).

The spelling of 125540623344 in words is "one hundred twenty-five billion, five hundred forty million, six hundred twenty-three thousand, three hundred forty-four".