115232720438783 has 4 divisors (see below), whose sum is σ = 115233018468768. Its totient is φ = 115232422408800.

The previous prime is 115232720438753. The next prime is 115232720438819. The reversal of 115232720438783 is 387834027232511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115232720438783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115232720438753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148434266 + ... + 149208567.

It is an arithmetic number, because the mean of its divisors is an integer number (28808254617192).

Almost surely, 2^{115232720438783} is an apocalyptic number.

115232720438783 is a deficient number, since it is larger than the sum of its proper divisors (298029985).

115232720438783 is an equidigital number, since it uses as much as digits as its factorization.

115232720438783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298029984.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 115232720438783 in words is "one hundred fifteen trillion, two hundred thirty-two billion, seven hundred twenty million, four hundred thirty-eight thousand, seven hundred eighty-three".