5150967606581 has 2 divisors, whose sum is σ = 5150967606582. Its totient is φ = 5150967606580.

The previous prime is 5150967606553. The next prime is 5150967606583. The reversal of 5150967606581 is 1856067690515.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4686921904900 + 464045701681 = 2164930^2 + 681209^2 .

It is a cyclic number.

It is not a de Polignac number, because 5150967606581 - 2¹⁰ = 5150967605557 is a prime.

It is a super-2 number, since 2×5150967606581² (a number of 26 digits) contains 22 as substring.

Together with 5150967606583, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5150967606581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5150967606583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575483803290 + 2575483803291.

It is an arithmetic number, because the mean of its divisors is an integer number (2575483803291).

Almost surely, 2^{5150967606581} is an apocalyptic number.

It is an amenable number.

5150967606581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5150967606581 is an equidigital number, since it uses as much as digits as its factorization.

5150967606581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 5150967606581 in words is "five trillion, one hundred fifty billion, nine hundred sixty-seven million, six hundred six thousand, five hundred eighty-one".