115515152647 has 8 divisors (see below), whose sum is σ = 117450317520. Its totient is φ = 113581325760.

The previous prime is 115515152629. The next prime is 115515152653. The reversal of 115515152647 is 746251515511.

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 115515152647 - 2¹¹ = 115515150599 is a prime.

It is a super-2 number, since 2×115515152647² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115515152617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159622 + ... + 506467.

It is an arithmetic number, because the mean of its divisors is an integer number (14681289690).

Almost surely, 2^115515152647 is an apocalyptic number.

115515152647 is a deficient number, since it is larger than the sum of its proper divisors (1935164873).

115515152647 is an equidigital number, since it uses as much as digits as its factorization.

115515152647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668993.

The product of its digits is 210000, while the sum is 43.

The spelling of 115515152647 in words is "one hundred fifteen billion, five hundred fifteen million, one hundred fifty-two thousand, six hundred forty-seven".