11115212435611 has 2 divisors, whose sum is σ = 11115212435612. Its totient is φ = 11115212435610.

The previous prime is 11115212435533. The next prime is 11115212435617. The reversal of 11115212435611 is 11653421251111.

It is a strong prime.

It is an emirp because it is prime and its reverse (11653421251111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115212435611 - 2²⁷ = 11115078217883 is a prime.

It is a super-2 number, since 2×11115212435611² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11115212435617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557606217805 + 5557606217806.

It is an arithmetic number, because the mean of its divisors is an integer number (5557606217806).

Almost surely, 2^{11115212435611} is an apocalyptic number.

11115212435611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115212435611 is an equidigital number, since it uses as much as digits as its factorization.

11115212435611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 34.

Adding to 11115212435611 its reverse (11653421251111), we get a palindrome (22768633686722).

The spelling of 11115212435611 in words is "eleven trillion, one hundred fifteen billion, two hundred twelve million, four hundred thirty-five thousand, six hundred eleven".