115523227451 has 4 divisors (see below), whose sum is σ = 116214983472. Its totient is φ = 114831471432.

The previous prime is 115523227429. The next prime is 115523227459. The reversal of 115523227451 is 154722325511.

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-115523227451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115523227459) 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, 345877760 + ... + 345878093.

It is an arithmetic number, because the mean of its divisors is an integer number (29053745868).

Almost surely, 2^115523227451 is an apocalyptic number.

115523227451 is a deficient number, since it is larger than the sum of its proper divisors (691756021).

115523227451 is an equidigital number, since it uses as much as digits as its factorization.

115523227451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691756020.

The product of its digits is 84000, while the sum is 38.

The spelling of 115523227451 in words is "one hundred fifteen billion, five hundred twenty-three million, two hundred twenty-seven thousand, four hundred fifty-one".