6556155116015 has 32 divisors (see below), whose sum is σ = 8447164859520. Its totient is φ = 4867117092864.

The previous prime is 6556155116009. The next prime is 6556155116023. The reversal of 6556155116015 is 5106115516556.

It is a cyclic number.

It is not a de Polignac number, because 6556155116015 - 2³⁴ = 6538975246831 is a prime.

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, 18169526 + ... + 18526844.

It is an arithmetic number, because the mean of its divisors is an integer number (263973901860).

Almost surely, 2^{6556155116015} is an apocalyptic number.

6556155116015 is a deficient number, since it is larger than the sum of its proper divisors (1891009743505).

6556155116015 is a wasteful number, since it uses less digits than its factorization.

6556155116015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360371.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 6556155116015 in words is "six trillion, five hundred fifty-six billion, one hundred fifty-five million, one hundred sixteen thousand, fifteen".