51255231115343 has 2 divisors, whose sum is σ = 51255231115344. Its totient is φ = 51255231115342.

The previous prime is 51255231115243. The next prime is 51255231115369. The reversal of 51255231115343 is 34351113255215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51255231115343 - 2⁸ = 51255231115087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51255231115343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51255231115373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25627615557671 + 25627615557672.

It is an arithmetic number, because the mean of its divisors is an integer number (25627615557672).

Almost surely, 2^{51255231115343} is an apocalyptic number.

51255231115343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51255231115343 is an equidigital number, since it uses as much as digits as its factorization.

51255231115343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The spelling of 51255231115343 in words is "fifty-one trillion, two hundred fifty-five billion, two hundred thirty-one million, one hundred fifteen thousand, three hundred forty-three".