5161006065551 has 12 divisors (see below), whose sum is σ = 6003978872760. Its totient is φ = 4423454537040.

The previous prime is 5161006065511. The next prime is 5161006065569. The reversal of 5161006065551 is 1555606001615.

It is a de Polignac number, because none of the positive numbers 2^k-5161006065551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5161006065499 and 5161006065508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161006065511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2325461 + ... + 3966078.

It is an arithmetic number, because the mean of its divisors is an integer number (500331572730).

Almost surely, 2^{5161006065551} is an apocalyptic number.

5161006065551 is a deficient number, since it is larger than the sum of its proper divisors (842972807209).

5161006065551 is a wasteful number, since it uses less digits than its factorization.

5161006065551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308294 (or 6308287 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 5161006065551 in words is "five trillion, one hundred sixty-one billion, six million, sixty-five thousand, five hundred fifty-one".