125118280381699 has 16 divisors (see below), whose sum is σ = 137218272488064. Its totient is φ = 113140649908800.

The previous prime is 125118280381681. The next prime is 125118280381723. The reversal of 125118280381699 is 996183082811521.

It is a cyclic number.

It is not a de Polignac number, because 125118280381699 - 2⁷ = 125118280381571 is a prime.

It is a super-2 number, since 2×125118280381699² (a number of 29 digits) contains 22 as substring.

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 125118280381699.

It is not an unprimeable number, because it can be changed into a prime (125118580381699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33942042 + ... + 37447279.

It is an arithmetic number, because the mean of its divisors is an integer number (8576142030504).

Almost surely, 2^{125118280381699} is an apocalyptic number.

125118280381699 is a deficient number, since it is larger than the sum of its proper divisors (12099992106365).

125118280381699 is a wasteful number, since it uses less digits than its factorization.

125118280381699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71390178.

The product of its (nonzero) digits is 14929920, while the sum is 64.

The spelling of 125118280381699 in words is "one hundred twenty-five trillion, one hundred eighteen billion, two hundred eighty million, three hundred eighty-one thousand, six hundred ninety-nine".