125423311120 has 80 divisors (see below), whose sum is σ = 304949981952. Its totient is φ = 47883630080.

The previous prime is 125423311099. The next prime is 125423311151. The reversal of 125423311120 is 21113324521.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774309 + ... + 922171.

Almost surely, 2^125423311120 is an apocalyptic number.

125423311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125423311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152474990976).

125423311120 is an abundant number, since it is smaller than the sum of its proper divisors (179526670832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125423311120 is a wasteful number, since it uses less digits than its factorization.

125423311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148360 (or 148354 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 125423311120 its reverse (21113324521), we get a palindrome (146536635641).

The spelling of 125423311120 in words is "one hundred twenty-five billion, four hundred twenty-three million, three hundred eleven thousand, one hundred twenty".