115551234215 has 48 divisors (see below), whose sum is σ = 148925855232. Its totient is φ = 86014834752.

The previous prime is 115551234181. The next prime is 115551234221. The reversal of 115551234215 is 512432155511.

It is a de Polignac number, because none of the positive numbers 2^k-115551234215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29910374 + ... + 29914236.

It is an arithmetic number, because the mean of its divisors is an integer number (3102621984).

Almost surely, 2^115551234215 is an apocalyptic number.

115551234215 is a deficient number, since it is larger than the sum of its proper divisors (33374621017).

115551234215 is a wasteful number, since it uses less digits than its factorization.

115551234215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4197 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

Adding to 115551234215 its reverse (512432155511), we get a palindrome (627983389726).

The spelling of 115551234215 in words is "one hundred fifteen billion, five hundred fifty-one million, two hundred thirty-four thousand, two hundred fifteen".