115015151651665 has 16 divisors (see below), whose sum is σ = 138768955395840. Its totient is φ = 91512928082880.

The previous prime is 115015151651633. The next prime is 115015151651669. The reversal of 115015151651665 is 566156151510511.

It is a happy number.

It is not a de Polignac number, because 115015151651665 - 2⁵ = 115015151651633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115015151651669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81951981 + ... + 83343610.

It is an arithmetic number, because the mean of its divisors is an integer number (8673059712240).

Almost surely, 2^{115015151651665} is an apocalyptic number.

It is an amenable number.

115015151651665 is a deficient number, since it is larger than the sum of its proper divisors (23753803744175).

115015151651665 is a wasteful number, since it uses less digits than its factorization.

115015151651665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165296352.

The product of its (nonzero) digits is 675000, while the sum is 49.

The spelling of 115015151651665 in words is "one hundred fifteen trillion, fifteen billion, one hundred fifty-one million, six hundred fifty-one thousand, six hundred sixty-five".