125255543723 has 2 divisors, whose sum is σ = 125255543724. Its totient is φ = 125255543722.

The previous prime is 125255543687. The next prime is 125255543767. The reversal of 125255543723 is 327345552521.

It is an a-pointer prime, because the next prime (125255543767) can be obtained adding 125255543723 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125255543723 - 2²⁰ = 125254495147 is a prime.

It is not a weakly prime, because it can be changed into another prime (125255543773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62627771861 + 62627771862.

It is an arithmetic number, because the mean of its divisors is an integer number (62627771862).

Almost surely, 2^125255543723 is an apocalyptic number.

125255543723 is a deficient number, since it is larger than the sum of its proper divisors (1).

125255543723 is an equidigital number, since it uses as much as digits as its factorization.

125255543723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260000, while the sum is 44.

The spelling of 125255543723 in words is "one hundred twenty-five billion, two hundred fifty-five million, five hundred forty-three thousand, seven hundred twenty-three".