115564422511 has 4 divisors (see below), whose sum is σ = 115566309000. Its totient is φ = 115562536024.

The previous prime is 115564422443. The next prime is 115564422563. The reversal of 115564422511 is 115224465511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115224465511 = 3851 ⋅29920661.

It is a cyclic number.

It is not a de Polignac number, because 115564422511 - 2¹¹ = 115564420463 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 (115564422811) 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, 848161 + ... + 974938.

It is an arithmetic number, because the mean of its divisors is an integer number (28891577250).

Almost surely, 2^115564422511 is an apocalyptic number.

115564422511 is a deficient number, since it is larger than the sum of its proper divisors (1886489).

115564422511 is an equidigital number, since it uses as much as digits as its factorization.

115564422511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886488.

The product of its digits is 48000, while the sum is 37.

The spelling of 115564422511 in words is "one hundred fifteen billion, five hundred sixty-four million, four hundred twenty-two thousand, five hundred eleven".