125880126381 has 8 divisors (see below), whose sum is σ = 186489076160. Its totient is φ = 83920084236.

The previous prime is 125880126329. The next prime is 125880126391. The reversal of 125880126381 is 183621088521.

125880126381 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 8 + 0 + 1 + 2 + 638 + 1 = 666.

It is not a de Polignac number, because 125880126381 - 2²¹ = 125878029229 is a prime.

It is a super-2 number, since 2×125880126381² (a number of 23 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 (125880126391) 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, 2331113425 + ... + 2331113478.

It is an arithmetic number, because the mean of its divisors is an integer number (23311134520).

Almost surely, 2^125880126381 is an apocalyptic number.

It is an amenable number.

125880126381 is a deficient number, since it is larger than the sum of its proper divisors (60608949779).

125880126381 is an equidigital number, since it uses as much as digits as its factorization.

125880126381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662226912 (or 4662226906 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 125880126381 in words is "one hundred twenty-five billion, eight hundred eighty million, one hundred twenty-six thousand, three hundred eighty-one".