125354003531 has 2 divisors, whose sum is σ = 125354003532. Its totient is φ = 125354003530.

The previous prime is 125354003507. The next prime is 125354003539. The reversal of 125354003531 is 135300453521.

It is a strong prime.

It is an emirp because it is prime and its reverse (135300453521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125354003531 - 2²² = 125349809227 is a prime.

It is a super-2 number, since 2×125354003531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125354003539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62677001765 + 62677001766.

It is an arithmetic number, because the mean of its divisors is an integer number (62677001766).

Almost surely, 2^125354003531 is an apocalyptic number.

125354003531 is a deficient number, since it is larger than the sum of its proper divisors (1).

125354003531 is an equidigital number, since it uses as much as digits as its factorization.

125354003531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 125354003531 in words is "one hundred twenty-five billion, three hundred fifty-four million, three thousand, five hundred thirty-one".