13113211005 has 24 divisors (see below), whose sum is σ = 22848583680. Its totient is φ = 6957091680.

The previous prime is 13113210973. The next prime is 13113211021. The reversal of 13113211005 is 50011231131.

It is not a de Polignac number, because 13113211005 - 2⁵ = 13113210973 is a prime.

It is a super-2 number, since 2×13113211005² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754245 + ... + 771434.

It is an arithmetic number, because the mean of its divisors is an integer number (952024320).

Almost surely, 2^13113211005 is an apocalyptic number.

13113211005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13113211005 is a deficient number, since it is larger than the sum of its proper divisors (9735372675).

13113211005 is a wasteful number, since it uses less digits than its factorization.

13113211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525881 (or 1525878 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 13113211005 its reverse (50011231131), we get a palindrome (63124442136).

The spelling of 13113211005 in words is "thirteen billion, one hundred thirteen million, two hundred eleven thousand, five".