13011404555 has 4 divisors (see below), whose sum is σ = 15613685472. Its totient is φ = 10409123640.

The previous prime is 13011404531. The next prime is 13011404561. The reversal of 13011404555 is 55540411031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13011404555 - 2⁸ = 13011404299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301140451 + ... + 1301140460.

It is an arithmetic number, because the mean of its divisors is an integer number (3903421368).

Almost surely, 2^13011404555 is an apocalyptic number.

13011404555 is a deficient number, since it is larger than the sum of its proper divisors (2602280917).

13011404555 is an equidigital number, since it uses as much as digits as its factorization.

13011404555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602280916.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 13011404555 its reverse (55540411031), we get a palindrome (68551815586).

The spelling of 13011404555 in words is "thirteen billion, eleven million, four hundred four thousand, five hundred fifty-five".