115151516615 has 8 divisors (see below), whose sum is σ = 138591857040. Its totient is φ = 91847855232.

The previous prime is 115151516569. The next prime is 115151516633. The reversal of 115151516615 is 516615151511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115151516615 - 2¹⁴ = 115151500231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34167905 + ... + 34171274.

It is an arithmetic number, because the mean of its divisors is an integer number (17323982130).

Almost surely, 2^115151516615 is an apocalyptic number.

115151516615 is a deficient number, since it is larger than the sum of its proper divisors (23440340425).

115151516615 is an equidigital number, since it uses as much as digits as its factorization.

115151516615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68339521.

The product of its digits is 22500, while the sum is 38.

The spelling of 115151516615 in words is "one hundred fifteen billion, one hundred fifty-one million, five hundred sixteen thousand, six hundred fifteen".