5081754666251 has 4 divisors (see below), whose sum is σ = 5082038438400. Its totient is φ = 5081470894104.

The previous prime is 5081754666199. The next prime is 5081754666253. The reversal of 5081754666251 is 1526664571805.

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 5081754666251 - 2²² = 5081750471947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5081754666253) 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 3 ways as a sum of consecutive naturals, for example, 141859211 + ... + 141895028.

It is an arithmetic number, because the mean of its divisors is an integer number (1270509609600).

Almost surely, 2^{5081754666251} is an apocalyptic number.

5081754666251 is a deficient number, since it is larger than the sum of its proper divisors (283772149).

5081754666251 is a wasteful number, since it uses less digits than its factorization.

5081754666251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283772148.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 5081754666251 in words is "five trillion, eighty-one billion, seven hundred fifty-four million, six hundred sixty-six thousand, two hundred fifty-one".