125844417331 has 2 divisors, whose sum is σ = 125844417332. Its totient is φ = 125844417330.

The previous prime is 125844417329. The next prime is 125844417337. The reversal of 125844417331 is 133714448521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125844417331 - 2¹ = 125844417329 is a prime.

It is a super-2 number, since 2×125844417331² (a number of 23 digits) contains 22 as substring.

Together with 125844417329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125844417337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62922208665 + 62922208666.

It is an arithmetic number, because the mean of its divisors is an integer number (62922208666).

Almost surely, 2^125844417331 is an apocalyptic number.

125844417331 is a deficient number, since it is larger than the sum of its proper divisors (1).

125844417331 is an equidigital number, since it uses as much as digits as its factorization.

125844417331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The spelling of 125844417331 in words is "one hundred twenty-five billion, eight hundred forty-four million, four hundred seventeen thousand, three hundred thirty-one".