1213415517011 has 2 divisors, whose sum is σ = 1213415517012. Its totient is φ = 1213415517010.

The previous prime is 1213415516977. The next prime is 1213415517029. The reversal of 1213415517011 is 1107155143121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213415517011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213415516011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606707758505 + 606707758506.

It is an arithmetic number, because the mean of its divisors is an integer number (606707758506).

Almost surely, 2^{1213415517011} is an apocalyptic number.

1213415517011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213415517011 is an equidigital number, since it uses as much as digits as its factorization.

1213415517011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 32.

The spelling of 1213415517011 in words is "one trillion, two hundred thirteen billion, four hundred fifteen million, five hundred seventeen thousand, eleven".