115375547451 has 4 divisors (see below), whose sum is σ = 153834063272. Its totient is φ = 76917031632.

The previous prime is 115375547447. The next prime is 115375547477. The reversal of 115375547451 is 154745573511.

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

It is not a de Polignac number, because 115375547451 - 2² = 115375547447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115375547451.

It is not an unprimeable number, because it can be changed into a prime (115375537451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19229257906 + ... + 19229257911.

It is an arithmetic number, because the mean of its divisors is an integer number (38458515818).

Almost surely, 2^115375547451 is an apocalyptic number.

115375547451 is a deficient number, since it is larger than the sum of its proper divisors (38458515821).

115375547451 is an equidigital number, since it uses as much as digits as its factorization.

115375547451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38458515820.

The product of its digits is 1470000, while the sum is 48.

The spelling of 115375547451 in words is "one hundred fifteen billion, three hundred seventy-five million, five hundred forty-seven thousand, four hundred fifty-one".