13423551551 has 16 divisors (see below), whose sum is σ = 13673132640. Its totient is φ = 13176691200.

The previous prime is 13423551527. The next prime is 13423551569. The reversal of 13423551551 is 15515532431.

It is a cyclic number.

It is not a de Polignac number, because 13423551551 - 2¹⁰ = 13423550527 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 (13423551451) 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, 9366731 + ... + 9368163.

It is an arithmetic number, because the mean of its divisors is an integer number (854570790).

Almost surely, 2^13423551551 is an apocalyptic number.

13423551551 is a deficient number, since it is larger than the sum of its proper divisors (249581089).

13423551551 is a wasteful number, since it uses less digits than its factorization.

13423551551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266.

The product of its digits is 45000, while the sum is 35.

The spelling of 13423551551 in words is "thirteen billion, four hundred twenty-three million, five hundred fifty-one thousand, five hundred fifty-one".