125208712828091 has 8 divisors (see below), whose sum is σ = 125335266249600. Its totient is φ = 125082214329600.

The previous prime is 125208712828039. The next prime is 125208712828117. The reversal of 125208712828091 is 190828217802521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125208712828091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125208712828391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9168260 + ... + 18288641.

It is an arithmetic number, because the mean of its divisors is an integer number (15666908281200).

Almost surely, 2^{125208712828091} is an apocalyptic number.

125208712828091 is a deficient number, since it is larger than the sum of its proper divisors (126553421509).

125208712828091 is a wasteful number, since it uses less digits than its factorization.

125208712828091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27461509.

The product of its (nonzero) digits is 2580480, while the sum is 56.

The spelling of 125208712828091 in words is "one hundred twenty-five trillion, two hundred eight billion, seven hundred twelve million, eight hundred twenty-eight thousand, ninety-one".