125522236081 has 8 divisors (see below), whose sum is σ = 139516997184. Its totient is φ = 111958083120.

The previous prime is 125522236057. The next prime is 125522236123. The reversal of 125522236081 is 180632225521.

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

It is a cyclic number.

It is not a de Polignac number, because 125522236081 - 2²⁵ = 125488681649 is a prime.

It is a super-2 number, since 2×125522236081² (a number of 23 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 125522236081.

It is not an unprimeable number, because it can be changed into a prime (125522236381) 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, 107651421 + ... + 107652586.

It is an arithmetic number, because the mean of its divisors is an integer number (17439624648).

Almost surely, 2^125522236081 is an apocalyptic number.

125522236081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125522236081 is a deficient number, since it is larger than the sum of its proper divisors (13994761103).

125522236081 is a wasteful number, since it uses less digits than its factorization.

125522236081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215304071.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 125522236081 in words is "one hundred twenty-five billion, five hundred twenty-two million, two hundred thirty-six thousand, eighty-one".