13111332356 has 24 divisors (see below), whose sum is σ = 24225468960. Its totient is φ = 6191856000.

The previous prime is 13111332323. The next prime is 13111332359. The reversal of 13111332356 is 65323311131.

It is a super-2 number, since 2×13111332356² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13111332359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235445 + ... + 285756.

It is an arithmetic number, because the mean of its divisors is an integer number (1009394540).

Almost surely, 2^13111332356 is an apocalyptic number.

It is an amenable number.

13111332356 is a deficient number, since it is larger than the sum of its proper divisors (11114136604).

13111332356 is a wasteful number, since it uses less digits than its factorization.

13111332356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521555 (or 521553 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

Adding to 13111332356 its reverse (65323311131), we get a palindrome (78434643487).

The spelling of 13111332356 in words is "thirteen billion, one hundred eleven million, three hundred thirty-two thousand, three hundred fifty-six".