115475656530 has 192 divisors, whose sum is σ = 308170009728. Its totient is φ = 27528284160.

The previous prime is 115475656529. The next prime is 115475656531. The reversal of 115475656530 is 35656574511.

It is an interprime number because it is at equal distance from previous prime (115475656529) and next prime (115475656531).

It is a self number, because there is not a number n which added to its sum of digits gives 115475656530.

It is not an unprimeable number, because it can be changed into a prime (115475656531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167113485 + ... + 167114175.

It is an arithmetic number, because the mean of its divisors is an integer number (1605052134).

Almost surely, 2^115475656530 is an apocalyptic number.

115475656530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115475656530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154085004864).

115475656530 is an abundant number, since it is smaller than the sum of its proper divisors (192694353198).

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

115475656530 is a wasteful number, since it uses less digits than its factorization.

115475656530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 115475656530 in words is "one hundred fifteen billion, four hundred seventy-five million, six hundred fifty-six thousand, five hundred thirty".