13561135033 has 2 divisors, whose sum is σ = 13561135034. Its totient is φ = 13561135032.

The previous prime is 13561135001. The next prime is 13561135043. The reversal of 13561135033 is 33053116531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12965921424 + 595213609 = 113868^2 + 24397^2 .

It is a cyclic number.

It is not a de Polignac number, because 13561135033 - 2⁵ = 13561135001 is a prime.

It is a super-2 number, since 2×13561135033² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13561134986 and 13561135004.

It is not a weakly prime, because it can be changed into another prime (13561135043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780567516 + 6780567517.

It is an arithmetic number, because the mean of its divisors is an integer number (6780567517).

Almost surely, 2^13561135033 is an apocalyptic number.

It is an amenable number.

13561135033 is a deficient number, since it is larger than the sum of its proper divisors (1).

13561135033 is an equidigital number, since it uses as much as digits as its factorization.

13561135033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The spelling of 13561135033 in words is "thirteen billion, five hundred sixty-one million, one hundred thirty-five thousand, thirty-three".