51335512223 has 2 divisors, whose sum is σ = 51335512224. Its totient is φ = 51335512222.

The previous prime is 51335512199. The next prime is 51335512231. The reversal of 51335512223 is 32221553315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51335512223 - 2²⁶ = 51268403359 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51335512223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51335512253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667756111 + 25667756112.

It is an arithmetic number, because the mean of its divisors is an integer number (25667756112).

Almost surely, 2^51335512223 is an apocalyptic number.

51335512223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51335512223 is an equidigital number, since it uses as much as digits as its factorization.

51335512223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 32.

The spelling of 51335512223 in words is "fifty-one billion, three hundred thirty-five million, five hundred twelve thousand, two hundred twenty-three".