125463364531 has 2 divisors, whose sum is σ = 125463364532. Its totient is φ = 125463364530.

The previous prime is 125463364519. The next prime is 125463364553. The reversal of 125463364531 is 135463364521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125463364531 is a prime.

It is a super-2 number, since 2×125463364531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125463364561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62731682265 + 62731682266.

It is an arithmetic number, because the mean of its divisors is an integer number (62731682266).

Almost surely, 2^125463364531 is an apocalyptic number.

125463364531 is a deficient number, since it is larger than the sum of its proper divisors (1).

125463364531 is an equidigital number, since it uses as much as digits as its factorization.

125463364531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

The spelling of 125463364531 in words is "one hundred twenty-five billion, four hundred sixty-three million, three hundred sixty-four thousand, five hundred thirty-one".