125157757406 has 8 divisors (see below), whose sum is σ = 204803603064. Its totient is φ = 56889889720.

The previous prime is 125157757399. The next prime is 125157757433. The reversal of 125157757406 is 604757751521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844494465 + ... + 2844494508.

It is an arithmetic number, because the mean of its divisors is an integer number (25600450383).

Almost surely, 2^125157757406 is an apocalyptic number.

125157757406 is a deficient number, since it is larger than the sum of its proper divisors (79645845658).

125157757406 is a wasteful number, since it uses less digits than its factorization.

125157757406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688988986.

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 125157757406 in words is "one hundred twenty-five billion, one hundred fifty-seven million, seven hundred fifty-seven thousand, four hundred six".