13122155433 has 4 divisors (see below), whose sum is σ = 17496207248. Its totient is φ = 8748103620.

The previous prime is 13122155377. The next prime is 13122155437. The reversal of 13122155433 is 33455122131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33455122131 = 3 ⋅11151707377.

It is a de Polignac number, because none of the positive numbers 2^k-13122155433 is a prime.

It is a super-2 number, since 2×13122155433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122155433.

It is not an unprimeable number, because it can be changed into a prime (13122155437) 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, 2187025903 + ... + 2187025908.

It is an arithmetic number, because the mean of its divisors is an integer number (4374051812).

Almost surely, 2^13122155433 is an apocalyptic number.

It is an amenable number.

13122155433 is a deficient number, since it is larger than the sum of its proper divisors (4374051815).

13122155433 is an equidigital number, since it uses as much as digits as its factorization.

13122155433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374051814.

The product of its digits is 10800, while the sum is 30.

Adding to 13122155433 its reverse (33455122131), we get a palindrome (46577277564).

The spelling of 13122155433 in words is "thirteen billion, one hundred twenty-two million, one hundred fifty-five thousand, four hundred thirty-three".