13511404122 has 32 divisors (see below), whose sum is σ = 27967330944. Its totient is φ = 4348646400.

The previous prime is 13511404121. The next prime is 13511404139. The reversal of 13511404122 is 22140411531.

It is a junction number, because it is equal to n+sod(n) for n = 13511404092 and 13511404101.

It is not an unprimeable number, because it can be changed into a prime (13511404121) 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, 259254 + ... + 306977.

It is an arithmetic number, because the mean of its divisors is an integer number (873979092).

Almost surely, 2^13511404122 is an apocalyptic number.

13511404122 is an abundant number, since it is smaller than the sum of its proper divisors (14455926822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13511404122 is a wasteful number, since it uses less digits than its factorization.

13511404122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566374.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 13511404122 its reverse (22140411531), we get a palindrome (35651815653).

The spelling of 13511404122 in words is "thirteen billion, five hundred eleven million, four hundred four thousand, one hundred twenty-two".