651115410557 has 2 divisors, whose sum is σ = 651115410558. Its totient is φ = 651115410556.

The previous prime is 651115410499. The next prime is 651115410559. The reversal of 651115410557 is 755014511156.

651115410557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645035465881 + 6079944676 = 803141^2 + 77974^2 .

It is a cyclic number.

It is not a de Polignac number, because 651115410557 - 2²⁰ = 651114361981 is a prime.

Together with 651115410559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651115410559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325557705278 + 325557705279.

It is an arithmetic number, because the mean of its divisors is an integer number (325557705279).

Almost surely, 2^651115410557 is an apocalyptic number.

It is an amenable number.

651115410557 is a deficient number, since it is larger than the sum of its proper divisors (1).

651115410557 is an equidigital number, since it uses as much as digits as its factorization.

651115410557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 41.

The spelling of 651115410557 in words is "six hundred fifty-one billion, one hundred fifteen million, four hundred ten thousand, five hundred fifty-seven".