13505554133 has 2 divisors, whose sum is σ = 13505554134. Its totient is φ = 13505554132.

The previous prime is 13505554063. The next prime is 13505554177. The reversal of 13505554133 is 33145550531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13294781809 + 210772324 = 115303^2 + 14518^2 .

It is a cyclic number.

It is not a de Polignac number, because 13505554133 - 2¹⁰ = 13505553109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13505554093 and 13505554102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13505554633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752777066 + 6752777067.

It is an arithmetic number, because the mean of its divisors is an integer number (6752777067).

Almost surely, 2^13505554133 is an apocalyptic number.

It is an amenable number.

13505554133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13505554133 is an equidigital number, since it uses as much as digits as its factorization.

13505554133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 13505554133 in words is "thirteen billion, five hundred five million, five hundred fifty-four thousand, one hundred thirty-three".