115210721424 has 20 divisors (see below), whose sum is σ = 297627697136. Its totient is φ = 38403573792.

The previous prime is 115210721419. The next prime is 115210721467. The reversal of 115210721424 is 424127012511.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 115210721391 and 115210721400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200111634 + ... + 1200111729.

Almost surely, 2^115210721424 is an apocalyptic number.

It is an amenable number.

115210721424 is an abundant number, since it is smaller than the sum of its proper divisors (182416975712).

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

115210721424 is a wasteful number, since it uses less digits than its factorization.

115210721424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400223374 (or 2400223368 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 115210721424 its reverse (424127012511), we get a palindrome (539337733935).

The spelling of 115210721424 in words is "one hundred fifteen billion, two hundred ten million, seven hundred twenty-one thousand, four hundred twenty-four".