125669237493 has 32 divisors (see below), whose sum is σ = 175874457600. Its totient is φ = 79665248960.

The previous prime is 125669237489. The next prime is 125669237509. The reversal of 125669237493 is 394732966521.

It is a cyclic number.

It is not a de Polignac number, because 125669237493 - 2² = 125669237489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125669237423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35568355 + ... + 35571887.

It is an arithmetic number, because the mean of its divisors is an integer number (5496076800).

Almost surely, 2^125669237493 is an apocalyptic number.

It is an amenable number.

125669237493 is a deficient number, since it is larger than the sum of its proper divisors (50205220107).

125669237493 is a wasteful number, since it uses less digits than its factorization.

125669237493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449.

The product of its digits is 14696640, while the sum is 57.

The spelling of 125669237493 in words is "one hundred twenty-five billion, six hundred sixty-nine million, two hundred thirty-seven thousand, four hundred ninety-three".