125740577331 has 6 divisors (see below), whose sum is σ = 181625278380. Its totient is φ = 83827051548.

The previous prime is 125740577317. The next prime is 125740577341. The reversal of 125740577331 is 133775047521.

125740577331 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 40 + 577 + 3 + 31 = 666.

It is not a de Polignac number, because 125740577331 - 2¹⁸ = 125740315187 is a prime.

It is a super-2 number, since 2×125740577331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125740577341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6985587621 + ... + 6985587638.

It is an arithmetic number, because the mean of its divisors is an integer number (30270879730).

Almost surely, 2^125740577331 is an apocalyptic number.

125740577331 is a deficient number, since it is larger than the sum of its proper divisors (55884701049).

125740577331 is a wasteful number, since it uses less digits than its factorization.

125740577331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971175265 (or 13971175262 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 125740577331 in words is "one hundred twenty-five billion, seven hundred forty million, five hundred seventy-seven thousand, three hundred thirty-one".