5161404603451 has 4 divisors (see below), whose sum is σ = 5161409996400. Its totient is φ = 5161399210504.

The previous prime is 5161404603427. The next prime is 5161404603491. The reversal of 5161404603451 is 1543064041615.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5161404603451 - 2¹¹ = 5161404601403 is a prime.

It is a super-2 number, since 2×5161404603451² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161404603491) 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, 830416 + ... + 3318493.

It is an arithmetic number, because the mean of its divisors is an integer number (1290352499100).

Almost surely, 2^{5161404603451} is an apocalyptic number.

5161404603451 is a deficient number, since it is larger than the sum of its proper divisors (5392949).

5161404603451 is a wasteful number, since it uses less digits than its factorization.

5161404603451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392948.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 5161404603451 in words is "five trillion, one hundred sixty-one billion, four hundred four million, six hundred three thousand, four hundred fifty-one".