125324258399 has 4 divisors (see below), whose sum is σ = 127041029136. Its totient is φ = 123607487664.

The previous prime is 125324258369. The next prime is 125324258413. The reversal of 125324258399 is 993852423521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993852423521 = 23321 ⋅42616201.

It is a cyclic number.

It is not a de Polignac number, because 125324258399 - 2¹⁶ = 125324192863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125324258399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125324258369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858385259 + ... + 858385404.

It is an arithmetic number, because the mean of its divisors is an integer number (31760257284).

Almost surely, 2^125324258399 is an apocalyptic number.

125324258399 is a deficient number, since it is larger than the sum of its proper divisors (1716770737).

125324258399 is an equidigital number, since it uses as much as digits as its factorization.

125324258399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716770736.

The product of its digits is 4665600, while the sum is 53.

The spelling of 125324258399 in words is "one hundred twenty-five billion, three hundred twenty-four million, two hundred fifty-eight thousand, three hundred ninety-nine".