6511105160551 has 2 divisors, whose sum is σ = 6511105160552. Its totient is φ = 6511105160550.

The previous prime is 6511105160533. The next prime is 6511105160669. The reversal of 6511105160551 is 1550615011156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6511105160551 - 2²⁷ = 6510970942823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6511105160551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6511105100551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255552580275 + 3255552580276.

It is an arithmetic number, because the mean of its divisors is an integer number (3255552580276).

Almost surely, 2^{6511105160551} is an apocalyptic number.

6511105160551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6511105160551 is an equidigital number, since it uses as much as digits as its factorization.

6511105160551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 6511105160551 in words is "six trillion, five hundred eleven billion, one hundred five million, one hundred sixty thousand, five hundred fifty-one".