1213411115105 has 16 divisors (see below), whose sum is σ = 1698068035200. Its totient is φ = 832053334896.

The previous prime is 1213411115071. The next prime is 1213411115129. The reversal of 1213411115105 is 5015111143121.

It is a happy number.

It is not a de Polignac number, because 1213411115105 - 2¹⁴ = 1213411098721 is a prime.

It is a super-2 number, since 2×1213411115105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353762459 + ... + 353765888.

It is an arithmetic number, because the mean of its divisors is an integer number (106129252200).

Almost surely, 2^{1213411115105} is an apocalyptic number.

It is an amenable number.

1213411115105 is a deficient number, since it is larger than the sum of its proper divisors (484656920095).

1213411115105 is an frugal number, since it uses more digits than its factorization.

1213411115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707528373 (or 707528359 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 26.

Adding to 1213411115105 its reverse (5015111143121), we get a palindrome (6228522258226).

The spelling of 1213411115105 in words is "one trillion, two hundred thirteen billion, four hundred eleven million, one hundred fifteen thousand, one hundred five".