5161000100651 has 4 divisors (see below), whose sum is σ = 5161290698904. Its totient is φ = 5160709502400.

The previous prime is 5161000100611. The next prime is 5161000100671. The reversal of 5161000100651 is 1560010001615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5161000100651 - 2²⁶ = 5160932991787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5161000100651.

It is not an unprimeable number, because it can be changed into a prime (5161000100611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145272485 + ... + 145308006.

It is an arithmetic number, because the mean of its divisors is an integer number (1290322674726).

Almost surely, 2^{5161000100651} is an apocalyptic number.

5161000100651 is a deficient number, since it is larger than the sum of its proper divisors (290598253).

5161000100651 is a wasteful number, since it uses less digits than its factorization.

5161000100651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290598252.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 5161000100651 in words is "five trillion, one hundred sixty-one billion, one hundred thousand, six hundred fifty-one".