13111505232045 has 64 divisors (see below), whose sum is σ = 22975659244800. Its totient is φ = 6332105687040.

The previous prime is 13111505232037. The next prime is 13111505232083. The reversal of 13111505232045 is 54023250511131.

13111505232045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13111505232045 - 2³ = 13111505232037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 13111505231997 and 13111505232015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45273061 + ... + 45561749.

It is an arithmetic number, because the mean of its divisors is an integer number (358994675700).

Almost surely, 2^{13111505232045} is an apocalyptic number.

13111505232045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13111505232045 is a deficient number, since it is larger than the sum of its proper divisors (9864154012755).

13111505232045 is a wasteful number, since it uses less digits than its factorization.

13111505232045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289790.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 13111505232045 its reverse (54023250511131), we get a palindrome (67134755743176).

The spelling of 13111505232045 in words is "thirteen trillion, one hundred eleven billion, five hundred five million, two hundred thirty-two thousand, forty-five".