5161811507740 has 24 divisors (see below), whose sum is σ = 10896557075712. Its totient is φ = 2053914525120.

The previous prime is 5161811507729. The next prime is 5161811507753. The reversal of 5161811507740 is 477051181615.

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 7 ways as a sum of consecutive naturals, for example, 675625959 + ... + 675633598.

It is an arithmetic number, because the mean of its divisors is an integer number (454023211488).

Almost surely, 2^{5161811507740} is an apocalyptic number.

It is an amenable number.

5161811507740 is an abundant number, since it is smaller than the sum of its proper divisors (5734745567972).

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

5161811507740 is a wasteful number, since it uses less digits than its factorization.

5161811507740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351259757 (or 1351259755 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 46.

The spelling of 5161811507740 in words is "five trillion, one hundred sixty-one billion, eight hundred eleven million, five hundred seven thousand, seven hundred forty".