115151215 has 16 divisors (see below), whose sum is σ = 142414272. Its totient is φ = 89316864.

The previous prime is 115151213. The next prime is 115151233. The reversal of 115151215 is 512151511.

It is a cyclic number.

It is not a de Polignac number, because 115151215 - 2¹ = 115151213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115151213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61422 + ... + 63268.

It is an arithmetic number, because the mean of its divisors is an integer number (8900892).

Almost surely, 2^115151215 is an apocalyptic number.

115151215 is a deficient number, since it is larger than the sum of its proper divisors (27263057).

115151215 is a wasteful number, since it uses less digits than its factorization.

115151215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its digits is 250, while the sum is 22.

The square root of 115151215 is about 10730.8534143376. The cubic root of 115151215 is about 486.5074647108.

The spelling of 115151215 in words is "one hundred fifteen million, one hundred fifty-one thousand, two hundred fifteen".