115272376428 has 144 divisors (see below), whose sum is σ = 311028480000. Its totient is φ = 33154154880.

The previous prime is 115272376423. The next prime is 115272376501. The reversal of 115272376428 is 824673272511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115272376423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2461173 + ... + 2507571.

It is an arithmetic number, because the mean of its divisors is an integer number (2159920000).

Almost surely, 2^115272376428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115272376428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155514240000).

115272376428 is an abundant number, since it is smaller than the sum of its proper divisors (195756103572).

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

115272376428 is a wasteful number, since it uses less digits than its factorization.

115272376428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46516 (or 46503 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The spelling of 115272376428 in words is "one hundred fifteen billion, two hundred seventy-two million, three hundred seventy-six thousand, four hundred twenty-eight".