1215411425233 has 2 divisors, whose sum is σ = 1215411425234. Its totient is φ = 1215411425232.

The previous prime is 1215411425213. The next prime is 1215411425237. The reversal of 1215411425233 is 3325241145121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667059327169 + 548352098064 = 816737^2 + 740508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215411425233 is a prime.

It is a super-3 number, since 3×1215411425233³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1215411425237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607705712616 + 607705712617.

It is an arithmetic number, because the mean of its divisors is an integer number (607705712617).

Almost surely, 2^{1215411425233} is an apocalyptic number.

It is an amenable number.

1215411425233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215411425233 is an equidigital number, since it uses as much as digits as its factorization.

1215411425233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The spelling of 1215411425233 in words is "one trillion, two hundred fifteen billion, four hundred eleven million, four hundred twenty-five thousand, two hundred thirty-three".