5181222513001 has 2 divisors, whose sum is σ = 5181222513002. Its totient is φ = 5181222513000.

The previous prime is 5181222512981. The next prime is 5181222513053. The reversal of 5181222513001 is 1003152221815.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4703498250025 + 477724262976 = 2168755^2 + 691176^2 .

It is a cyclic number.

It is not a de Polignac number, because 5181222513001 - 2⁵ = 5181222512969 is a prime.

It is a super-2 number, since 2×5181222513001² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5181222013001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590611256500 + 2590611256501.

It is an arithmetic number, because the mean of its divisors is an integer number (2590611256501).

Almost surely, 2^{5181222513001} is an apocalyptic number.

It is an amenable number.

5181222513001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5181222513001 is an equidigital number, since it uses as much as digits as its factorization.

5181222513001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 5181222513001 its reverse (1003152221815), we get a palindrome (6184374734816).

The spelling of 5181222513001 in words is "five trillion, one hundred eighty-one billion, two hundred twenty-two million, five hundred thirteen thousand, one".