51552142211 has 2 divisors, whose sum is σ = 51552142212. Its totient is φ = 51552142210.

The previous prime is 51552142181. The next prime is 51552142223. The reversal of 51552142211 is 11224125515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51552142211 - 2²² = 51547947907 is a prime.

It is not a weakly prime, because it can be changed into another prime (51552142231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25776071105 + 25776071106.

It is an arithmetic number, because the mean of its divisors is an integer number (25776071106).

Almost surely, 2^51552142211 is an apocalyptic number.

51552142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51552142211 is an equidigital number, since it uses as much as digits as its factorization.

51552142211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 29.

Adding to 51552142211 its reverse (11224125515), we get a palindrome (62776267726).

The spelling of 51552142211 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-two thousand, two hundred eleven".