13505114151 has 16 divisors (see below), whose sum is σ = 20056511200. Its totient is φ = 8981388864.

The previous prime is 13505114141. The next prime is 13505114153. The reversal of 13505114151 is 15141150531.

13505114151 is a `hidden beast` number, since 1 + 3 + 505 + 1 + 1 + 4 + 151 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13505114151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505114153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600436 + ... + 622521.

It is an arithmetic number, because the mean of its divisors is an integer number (1253531950).

Almost surely, 2^13505114151 is an apocalyptic number.

13505114151 is a deficient number, since it is larger than the sum of its proper divisors (6551397049).

13505114151 is a wasteful number, since it uses less digits than its factorization.

13505114151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223375 (or 1223369 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 13505114151 its reverse (15141150531), we get a palindrome (28646264682).

The spelling of 13505114151 in words is "thirteen billion, five hundred five million, one hundred fourteen thousand, one hundred fifty-one".