125011192125791 has 4 divisors (see below), whose sum is σ = 125015918652000. Its totient is φ = 125006465599584.

The previous prime is 125011192125751. The next prime is 125011192125817. The reversal of 125011192125791 is 197521291110521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125011192125791 - 2¹⁴ = 125011192109407 is a prime.

It is a super-2 number, since 2×125011192125791² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125011192125751) 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, 2363223431 + ... + 2363276328.

It is an arithmetic number, because the mean of its divisors is an integer number (31253979663000).

Almost surely, 2^{125011192125791} is an apocalyptic number.

125011192125791 is a deficient number, since it is larger than the sum of its proper divisors (4726526209).

125011192125791 is an equidigital number, since it uses as much as digits as its factorization.

125011192125791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726526208.

The product of its (nonzero) digits is 113400, while the sum is 47.

The spelling of 125011192125791 in words is "one hundred twenty-five trillion, eleven billion, one hundred ninety-two million, one hundred twenty-five thousand, seven hundred ninety-one".