12411087111 has 16 divisors (see below), whose sum is σ = 18438897120. Its totient is φ = 8250612480.

The previous prime is 12411087107. The next prime is 12411087121. The reversal of 12411087111 is 11178011421.

It is a happy number.

It is not a de Polignac number, because 12411087111 - 2² = 12411087107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12411087121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641560 + ... + 660621.

It is an arithmetic number, because the mean of its divisors is an integer number (1152431070).

Almost surely, 2^12411087111 is an apocalyptic number.

12411087111 is a deficient number, since it is larger than the sum of its proper divisors (6027810009).

12411087111 is a wasteful number, since it uses less digits than its factorization.

12411087111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302543 (or 1302537 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

Adding to 12411087111 its reverse (11178011421), we get a palindrome (23589098532).

The spelling of 12411087111 in words is "twelve billion, four hundred eleven million, eighty-seven thousand, one hundred eleven".