125844407331 has 16 divisors (see below), whose sum is σ = 172231812768. Its totient is φ = 81703872000.

The previous prime is 125844407303. The next prime is 125844407419. The reversal of 125844407331 is 133704448521.

It is not a de Polignac number, because 125844407331 - 2¹³ = 125844399139 is a prime.

It is a super-2 number, since 2×125844407331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125844417331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3385846 + ... + 3422811.

It is an arithmetic number, because the mean of its divisors is an integer number (10764488298).

Almost surely, 2^125844407331 is an apocalyptic number.

125844407331 is a deficient number, since it is larger than the sum of its proper divisors (46387405437).

125844407331 is a wasteful number, since it uses less digits than its factorization.

125844407331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808822.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 125844407331 in words is "one hundred twenty-five billion, eight hundred forty-four million, four hundred seven thousand, three hundred thirty-one".