115231311223424 has 192 divisors, whose sum is σ = 253908010782720. Its totient is φ = 52050369423360.

The previous prime is 115231311223381. The next prime is 115231311223451. The reversal of 115231311223424 is 424322113132511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6385058369 + ... + 6385076415.

It is an arithmetic number, because the mean of its divisors is an integer number (1322437556160).

Almost surely, 2^{115231311223424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115231311223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126954005391360).

115231311223424 is an abundant number, since it is smaller than the sum of its proper divisors (138676699559296).

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

115231311223424 is a wasteful number, since it uses less digits than its factorization.

115231311223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20639 (or 20616 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 115231311223424 its reverse (424322113132511), we get a palindrome (539553424355935).

The spelling of 115231311223424 in words is "one hundred fifteen trillion, two hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, four hundred twenty-four".