6511565161150 has 48 divisors (see below), whose sum is σ = 14570239052160. Its totient is φ = 2115034696800.

The previous prime is 6511565161117. The next prime is 6511565161301. The reversal of 6511565161150 is 511615651156.

It is a junction number, because it is equal to n+sod(n) for n = 6511565161097 and 6511565161106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489584716 + ... + 489598015.

It is an arithmetic number, because the mean of its divisors is an integer number (303546646920).

Almost surely, 2^{6511565161150} is an apocalyptic number.

6511565161150 is an abundant number, since it is smaller than the sum of its proper divisors (8058673891010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6511565161150 is a wasteful number, since it uses less digits than its factorization.

6511565161150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979182769 (or 979182764 counting only the distinct ones).

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

The spelling of 6511565161150 in words is "six trillion, five hundred eleven billion, five hundred sixty-five million, one hundred sixty-one thousand, one hundred fifty".