51862358311 has 2 divisors, whose sum is σ = 51862358312. Its totient is φ = 51862358310.

The previous prime is 51862358297. The next prime is 51862358369. The reversal of 51862358311 is 11385326815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51862358311 - 2³¹ = 49714874663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51862158311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25931179155 + 25931179156.

It is an arithmetic number, because the mean of its divisors is an integer number (25931179156).

Almost surely, 2^51862358311 is an apocalyptic number.

51862358311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51862358311 is an equidigital number, since it uses as much as digits as its factorization.

51862358311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The spelling of 51862358311 in words is "fifty-one billion, eight hundred sixty-two million, three hundred fifty-eight thousand, three hundred eleven".