13124426551 has 4 divisors (see below), whose sum is σ = 13251848272. Its totient is φ = 12997004832.

The previous prime is 13124426537. The next prime is 13124426561. The reversal of 13124426551 is 15562442131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13124426551 - 2¹⁵ = 13124393783 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 (13124426561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63710706 + ... + 63710911.

It is an arithmetic number, because the mean of its divisors is an integer number (3312962068).

Almost surely, 2^13124426551 is an apocalyptic number.

13124426551 is a deficient number, since it is larger than the sum of its proper divisors (127421721).

13124426551 is a wasteful number, since it uses less digits than its factorization.

13124426551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127421720.

The product of its digits is 28800, while the sum is 34.

Adding to 13124426551 its reverse (15562442131), we get a palindrome (28686868682).

The spelling of 13124426551 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-six thousand, five hundred fifty-one".