40122611255213 has 2 divisors, whose sum is σ = 40122611255214. Its totient is φ = 40122611255212.

The previous prime is 40122611255203. The next prime is 40122611255249. The reversal of 40122611255213 is 31255211622104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39819166719049 + 303444536164 = 6310243^2 + 550858^2 .

It is a cyclic number.

It is not a de Polignac number, because 40122611255213 - 2¹⁶ = 40122611189677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40122611255203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061305627606 + 20061305627607.

It is an arithmetic number, because the mean of its divisors is an integer number (20061305627607).

Almost surely, 2^{40122611255213} is an apocalyptic number.

It is an amenable number.

40122611255213 is a deficient number, since it is larger than the sum of its proper divisors (1).

40122611255213 is an equidigital number, since it uses as much as digits as its factorization.

40122611255213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 40122611255213 its reverse (31255211622104), we get a palindrome (71377822877317).

The spelling of 40122611255213 in words is "forty trillion, one hundred twenty-two billion, six hundred eleven million, two hundred fifty-five thousand, two hundred thirteen".