13545013251 has 16 divisors (see below), whose sum is σ = 22516386048. Its totient is φ = 7036370400.

The previous prime is 13545013247. The next prime is 13545013253. The reversal of 13545013251 is 15231054531.

It is not a de Polignac number, because 13545013251 - 2² = 13545013247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13545013253) 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, 29317980 + ... + 29318441.

It is an arithmetic number, because the mean of its divisors is an integer number (1407274128).

Almost surely, 2^13545013251 is an apocalyptic number.

13545013251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13545013251 is a deficient number, since it is larger than the sum of its proper divisors (8971372797).

13545013251 is a wasteful number, since it uses less digits than its factorization.

13545013251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58636442.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 13545013251 its reverse (15231054531), we get a palindrome (28776067782).

The spelling of 13545013251 in words is "thirteen billion, five hundred forty-five million, thirteen thousand, two hundred fifty-one".