6115551616015 has 32 divisors (see below), whose sum is σ = 7912318867200. Its totient is φ = 4522709157120.

The previous prime is 6115551615941. The next prime is 6115551616079. The reversal of 6115551616015 is 5106161555116.

It is a de Polignac number, because none of the positive numbers 2^k-6115551616015 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3428035 + ... + 4897195.

It is an arithmetic number, because the mean of its divisors is an integer number (247259964600).

Almost surely, 2^{6115551616015} is an apocalyptic number.

6115551616015 is a deficient number, since it is larger than the sum of its proper divisors (1796767251185).

6115551616015 is a wasteful number, since it uses less digits than its factorization.

6115551616015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470247.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 6115551616015 in words is "six trillion, one hundred fifteen billion, five hundred fifty-one million, six hundred sixteen thousand, fifteen".