13445432110111 has 32 divisors (see below), whose sum is σ = 14785741555200. Its totient is φ = 12175298472960.

The previous prime is 13445432110069. The next prime is 13445432110139. The reversal of 13445432110111 is 11101123454431.

It is a cyclic number.

It is not a de Polignac number, because 13445432110111 - 2²³ = 13445423721503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445432110511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58481500 + ... + 58710958.

It is an arithmetic number, because the mean of its divisors is an integer number (462054423600).

Almost surely, 2^{13445432110111} is an apocalyptic number.

13445432110111 is a deficient number, since it is larger than the sum of its proper divisors (1340309445089).

13445432110111 is a wasteful number, since it uses less digits than its factorization.

13445432110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230719.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 13445432110111 its reverse (11101123454431), we get a palindrome (24546555564542).

The spelling of 13445432110111 in words is "thirteen trillion, four hundred forty-five billion, four hundred thirty-two million, one hundred ten thousand, one hundred eleven".