125555507706 has 16 divisors (see below), whose sum is σ = 251315019648. Its totient is φ = 41817835200.

The previous prime is 125555507641. The next prime is 125555507713. The reversal of 125555507706 is 607705555521.

It is a super-2 number, since 2×125555507706² (a number of 23 digits) contains 22 as substring.

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, 8492175 + ... + 8506946.

It is an arithmetic number, because the mean of its divisors is an integer number (15707188728).

Almost surely, 2^125555507706 is an apocalyptic number.

125555507706 is an abundant number, since it is smaller than the sum of its proper divisors (125759511942).

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

125555507706 is a wasteful number, since it uses less digits than its factorization.

125555507706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000357.

The product of its (nonzero) digits is 1837500, while the sum is 48.

The spelling of 125555507706 in words is "one hundred twenty-five billion, five hundred fifty-five million, five hundred seven thousand, seven hundred six".