13151323451 has 8 divisors (see below), whose sum is σ = 15047506944. Its totient is φ = 11259495720.

The previous prime is 13151323447. The next prime is 13151323453. The reversal of 13151323451 is 15432315131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13151323451 - 2² = 13151323447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13151323453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082465 + ... + 1094546.

It is an arithmetic number, because the mean of its divisors is an integer number (1880938368).

Almost surely, 2^13151323451 is an apocalyptic number.

13151323451 is a deficient number, since it is larger than the sum of its proper divisors (1896183493).

13151323451 is an equidigital number, since it uses as much as digits as its factorization.

13151323451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177881.

The product of its digits is 5400, while the sum is 29.

Adding to 13151323451 its reverse (15432315131), we get a palindrome (28583638582).

The spelling of 13151323451 in words is "thirteen billion, one hundred fifty-one million, three hundred twenty-three thousand, four hundred fifty-one".