6511166555151 has 8 divisors (see below), whose sum is σ = 8681568376320. Its totient is φ = 4340771218712.

The previous prime is 6511166555071. The next prime is 6511166555167. The reversal of 6511166555151 is 1515556611156.

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 6511166555151 - 2¹⁸ = 6511166293007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6511166555151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511166555351) 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, 1684720 + ... + 3982538.

It is an arithmetic number, because the mean of its divisors is an integer number (1085196047040).

Almost surely, 2^{6511166555151} is an apocalyptic number.

6511166555151 is a deficient number, since it is larger than the sum of its proper divisors (2170401821169).

6511166555151 is a wasteful number, since it uses less digits than its factorization.

6511166555151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242365.

The product of its digits is 675000, while the sum is 48.

The spelling of 6511166555151 in words is "six trillion, five hundred eleven billion, one hundred sixty-six million, five hundred fifty-five thousand, one hundred fifty-one".