13182227551 has 4 divisors (see below), whose sum is σ = 13398329704. Its totient is φ = 12966125400.

The previous prime is 13182227497. The next prime is 13182227561. The reversal of 13182227551 is 15572228131.

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 13182227551 - 2¹¹ = 13182225503 is a prime.

It is a super-2 number, since 2×13182227551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13182227551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13182227561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108050985 + ... + 108051106.

It is an arithmetic number, because the mean of its divisors is an integer number (3349582426).

Almost surely, 2^13182227551 is an apocalyptic number.

13182227551 is a deficient number, since it is larger than the sum of its proper divisors (216102153).

13182227551 is an equidigital number, since it uses as much as digits as its factorization.

13182227551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216102152.

The product of its digits is 33600, while the sum is 37.

The spelling of 13182227551 in words is "thirteen billion, one hundred eighty-two million, two hundred twenty-seven thousand, five hundred fifty-one".