5261636671751 has 8 divisors (see below), whose sum is σ = 5275042469424. Its totient is φ = 5248236654720.

The previous prime is 5261636671717. The next prime is 5261636671793. The reversal of 5261636671751 is 1571766361625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261636671751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261636601751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380525 + ... + 3266201.

It is an arithmetic number, because the mean of its divisors is an integer number (659380308678).

Almost surely, 2^{5261636671751} is an apocalyptic number.

5261636671751 is a deficient number, since it is larger than the sum of its proper divisors (13405797673).

5261636671751 is a wasteful number, since it uses less digits than its factorization.

5261636671751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890321.

The product of its digits is 9525600, while the sum is 56.

The spelling of 5261636671751 in words is "five trillion, two hundred sixty-one billion, six hundred thirty-six million, six hundred seventy-one thousand, seven hundred fifty-one".