51071086800523 has 2 divisors, whose sum is σ = 51071086800524. Its totient is φ = 51071086800522.

The previous prime is 51071086800451. The next prime is 51071086800553. The reversal of 51071086800523 is 32500868017015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51071086800523 - 2³⁷ = 50933647847051 is a prime.

It is not a weakly prime, because it can be changed into another prime (51071086800553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25535543400261 + 25535543400262.

It is an arithmetic number, because the mean of its divisors is an integer number (25535543400262).

Almost surely, 2^{51071086800523} is an apocalyptic number.

51071086800523 is a deficient number, since it is larger than the sum of its proper divisors (1).

51071086800523 is an equidigital number, since it uses as much as digits as its factorization.

51071086800523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 51071086800523 in words is "fifty-one trillion, seventy-one billion, eighty-six million, eight hundred thousand, five hundred twenty-three".