51152220341 has 2 divisors, whose sum is σ = 51152220342. Its totient is φ = 51152220340.

The previous prime is 51152220319. The next prime is 51152220367. The reversal of 51152220341 is 14302225115.

It is an a-pointer prime, because the next prime (51152220367) can be obtained adding 51152220341 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28458003025 + 22694217316 = 168695^2 + 150646^2 .

It is a cyclic number.

It is not a de Polignac number, because 51152220341 - 2⁶ = 51152220277 is a prime.

It is a super-3 number, since 3×51152220341³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51152220341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51152220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576110170 + 25576110171.

It is an arithmetic number, because the mean of its divisors is an integer number (25576110171).

Almost surely, 2^51152220341 is an apocalyptic number.

It is an amenable number.

51152220341 is a deficient number, since it is larger than the sum of its proper divisors (1).

51152220341 is an equidigital number, since it uses as much as digits as its factorization.

51152220341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 51152220341 its reverse (14302225115), we get a palindrome (65454445456).

The spelling of 51152220341 in words is "fifty-one billion, one hundred fifty-two million, two hundred twenty thousand, three hundred forty-one".