6565151605155 has 32 divisors (see below), whose sum is σ = 12340648615680. Its totient is φ = 2938249668480.

The previous prime is 6565151605097. The next prime is 6565151605169. The reversal of 6565151605155 is 5515061515656.

It is not a de Polignac number, because 6565151605155 - 2¹⁶ = 6565151539619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6565151605098 and 6565151605107.

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, 1530336225 + ... + 1530340514.

It is an arithmetic number, because the mean of its divisors is an integer number (385645269240).

Almost surely, 2^{6565151605155} is an apocalyptic number.

6565151605155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6565151605155 is a deficient number, since it is larger than the sum of its proper divisors (5775497010525).

6565151605155 is a wasteful number, since it uses less digits than its factorization.

6565151605155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060676771.

The product of its (nonzero) digits is 3375000, while the sum is 51.

The spelling of 6565151605155 in words is "six trillion, five hundred sixty-five billion, one hundred fifty-one million, six hundred five thousand, one hundred fifty-five".