13561135043 has 2 divisors, whose sum is σ = 13561135044. Its totient is φ = 13561135042.

The previous prime is 13561135033. The next prime is 13561135079. The reversal of 13561135043 is 34053116531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13561135043 is a prime.

It is a super-2 number, since 2×13561135043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13561135033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780567521 + 6780567522.

It is an arithmetic number, because the mean of its divisors is an integer number (6780567522).

Almost surely, 2^13561135043 is an apocalyptic number.

13561135043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13561135043 is an equidigital number, since it uses as much as digits as its factorization.

13561135043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 13561135043 in words is "thirteen billion, five hundred sixty-one million, one hundred thirty-five thousand, forty-three".