115526621426 has 4 divisors (see below), whose sum is σ = 173289932142. Its totient is φ = 57763310712.

The previous prime is 115526621389. The next prime is 115526621437. The reversal of 115526621426 is 624126625511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624126625511 = 251 ⋅2486560261.

It can be written as a sum of positive squares in only one way, i.e., 109959223201 + 5567398225 = 331601^2 + 74615^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28881655355 + ... + 28881655358.

Almost surely, 2^115526621426 is an apocalyptic number.

115526621426 is a deficient number, since it is larger than the sum of its proper divisors (57763310716).

115526621426 is an equidigital number, since it uses as much as digits as its factorization.

115526621426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57763310715.

The product of its digits is 172800, while the sum is 41.

The spelling of 115526621426 in words is "one hundred fifteen billion, five hundred twenty-six million, six hundred twenty-one thousand, four hundred twenty-six".