125399436219 has 12 divisors (see below), whose sum is σ = 181172999592. Its totient is φ = 83580940800.

The previous prime is 125399436203. The next prime is 125399436229. The reversal of 125399436219 is 912634993521.

125399436219 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 9 + 9 + 4 + 3 + 621 + 9 = 666.

It is not a de Polignac number, because 125399436219 - 2⁴ = 125399436203 is a prime.

It is a super-2 number, since 2×125399436219² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125399436229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1514377 + ... + 1595034.

It is an arithmetic number, because the mean of its divisors is an integer number (15097749966).

Almost surely, 2^125399436219 is an apocalyptic number.

125399436219 is a deficient number, since it is larger than the sum of its proper divisors (55773563373).

125399436219 is a wasteful number, since it uses less digits than its factorization.

125399436219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113898 (or 3113895 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 125399436219 in words is "one hundred twenty-five billion, three hundred ninety-nine million, four hundred thirty-six thousand, two hundred nineteen".