115848532638 has 40 divisors (see below), whose sum is σ = 262872461280. Its totient is φ = 38127360960.

The previous prime is 115848532637. The next prime is 115848532643. The reversal of 115848532638 is 836235848511.

115848532638 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 48 + 532 + 63 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115848532637) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4513243 + ... + 4538838.

It is an arithmetic number, because the mean of its divisors is an integer number (6571811532).

Almost surely, 2^115848532638 is an apocalyptic number.

115848532638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115848532638 is an abundant number, since it is smaller than the sum of its proper divisors (147023928642).

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

115848532638 is an equidigital number, since it uses as much as digits as its factorization.

115848532638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9052174 (or 9052165 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 115848532638 in words is "one hundred fifteen billion, eight hundred forty-eight million, five hundred thirty-two thousand, six hundred thirty-eight".