125085553823 has 2 divisors, whose sum is σ = 125085553824. Its totient is φ = 125085553822.

The previous prime is 125085553807. The next prime is 125085553841. The reversal of 125085553823 is 328355580521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125085553823 - 2⁴ = 125085553807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125085543823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62542776911 + 62542776912.

It is an arithmetic number, because the mean of its divisors is an integer number (62542776912).

Almost surely, 2^125085553823 is an apocalyptic number.

125085553823 is a deficient number, since it is larger than the sum of its proper divisors (1).

125085553823 is an equidigital number, since it uses as much as digits as its factorization.

125085553823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 125085553823 in words is "one hundred twenty-five billion, eighty-five million, five hundred fifty-three thousand, eight hundred twenty-three".