13404103551 has 6 divisors (see below), whose sum is σ = 19361482920. Its totient is φ = 8936069028.

The previous prime is 13404103529. The next prime is 13404103589. The reversal of 13404103551 is 15530140431.

It is a happy number.

13404103551 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 4 + 103 + 551 = 666.

It is not a de Polignac number, because 13404103551 - 2¹⁴ = 13404087167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404103501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744672411 + ... + 744672428.

It is an arithmetic number, because the mean of its divisors is an integer number (3226913820).

Almost surely, 2^13404103551 is an apocalyptic number.

13404103551 is a deficient number, since it is larger than the sum of its proper divisors (5957379369).

13404103551 is a wasteful number, since it uses less digits than its factorization.

13404103551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489344845 (or 1489344842 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13404103551 its reverse (15530140431), we get a palindrome (28934243982).

The spelling of 13404103551 in words is "thirteen billion, four hundred four million, one hundred three thousand, five hundred fifty-one".