13155104446 has 32 divisors (see below), whose sum is σ = 22133956320. Its totient is φ = 5811955200.

The previous prime is 13155104437. The next prime is 13155104471. The reversal of 13155104446 is 64440155131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215530 + ... + 269746.

It is an arithmetic number, because the mean of its divisors is an integer number (691686135).

Almost surely, 2^13155104446 is an apocalyptic number.

13155104446 is a deficient number, since it is larger than the sum of its proper divisors (8978851874).

13155104446 is a wasteful number, since it uses less digits than its factorization.

13155104446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54540.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13155104446 its reverse (64440155131), we get a palindrome (77595259577).

The spelling of 13155104446 in words is "thirteen billion, one hundred fifty-five million, one hundred four thousand, four hundred forty-six".