115644612426 has 32 divisors (see below), whose sum is σ = 264394589568. Its totient is φ = 33033312000.

The previous prime is 115644612409. The next prime is 115644612493. The reversal of 115644612426 is 624216446511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157075 + ... + 505926.

It is an arithmetic number, because the mean of its divisors is an integer number (8262330924).

Almost surely, 2^115644612426 is an apocalyptic number.

115644612426 is an abundant number, since it is smaller than the sum of its proper divisors (148749977142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115644612426 is a wasteful number, since it uses less digits than its factorization.

115644612426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667166.

The product of its digits is 276480, while the sum is 42.

The spelling of 115644612426 in words is "one hundred fifteen billion, six hundred forty-four million, six hundred twelve thousand, four hundred twenty-six".