115555434426 has 24 divisors (see below), whose sum is σ = 250387625280. Its totient is φ = 38515783176.

The previous prime is 115555434419. The next prime is 115555434431. The reversal of 115555434426 is 624434555511.

115555434426 is a `hidden beast` number, since 1 + 1 + 55 + 554 + 3 + 4 + 42 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48831 + ... + 483213.

It is an arithmetic number, because the mean of its divisors is an integer number (10432817720).

Almost surely, 2^115555434426 is an apocalyptic number.

115555434426 is an abundant number, since it is smaller than the sum of its proper divisors (134832190854).

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

115555434426 is a wasteful number, since it uses less digits than its factorization.

115555434426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449170 (or 449167 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

Adding to 115555434426 its reverse (624434555511), we get a palindrome (739989989937).

The spelling of 115555434426 in words is "one hundred fifteen billion, five hundred fifty-five million, four hundred thirty-four thousand, four hundred twenty-six".