13404231111 has 64 divisors (see below), whose sum is σ = 20030976000. Its totient is φ = 7929901056.

The previous prime is 13404231101. The next prime is 13404231121. The reversal of 13404231111 is 11113240431.

It is an interprime number because it is at equal distance from previous prime (13404231101) and next prime (13404231121).

It is not a de Polignac number, because 13404231111 - 2¹⁰ = 13404230087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404231101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38407365 + ... + 38407713.

It is an arithmetic number, because the mean of its divisors is an integer number (312984000).

Almost surely, 2^13404231111 is an apocalyptic number.

13404231111 is a deficient number, since it is larger than the sum of its proper divisors (6626744889).

13404231111 is a wasteful number, since it uses less digits than its factorization.

13404231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13404231111 its reverse (11113240431), we get a palindrome (24517471542).

The spelling of 13404231111 in words is "thirteen billion, four hundred four million, two hundred thirty-one thousand, one hundred eleven".