13445425115111 has 24 divisors (see below), whose sum is σ = 15316391481984. Its totient is φ = 11683329497840.

The previous prime is 13445425115047. The next prime is 13445425115153. The reversal of 13445425115111 is 11151152454431.

It is not a de Polignac number, because 13445425115111 - 2⁶ = 13445425115047 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 (13445425115011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2546961770 + ... + 2546967048.

It is an arithmetic number, because the mean of its divisors is an integer number (638182978416).

Almost surely, 2^{13445425115111} is an apocalyptic number.

13445425115111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13445425115111 is a deficient number, since it is larger than the sum of its proper divisors (1870966366873).

13445425115111 is an frugal number, since it uses more digits than its factorization.

13445425115111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499 (or 7220 counting only the distinct ones).

The product of its digits is 48000, while the sum is 38.

Adding to 13445425115111 its reverse (11151152454431), we get a palindrome (24596577569542).

The spelling of 13445425115111 in words is "thirteen trillion, four hundred forty-five billion, four hundred twenty-five million, one hundred fifteen thousand, one hundred eleven".