11535135541 has 2 divisors, whose sum is σ = 11535135542. Its totient is φ = 11535135540.

The previous prime is 11535135539. The next prime is 11535135569. The reversal of 11535135541 is 14553153511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10070925316 + 1464210225 = 100354^2 + 38265^2 .

It is a cyclic number.

It is not a de Polignac number, because 11535135541 - 2¹ = 11535135539 is a prime.

Together with 11535135539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11535135497 and 11535135506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11535135041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767567770 + 5767567771.

It is an arithmetic number, because the mean of its divisors is an integer number (5767567771).

Almost surely, 2^11535135541 is an apocalyptic number.

It is an amenable number.

11535135541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11535135541 is an equidigital number, since it uses as much as digits as its factorization.

11535135541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 34.

The spelling of 11535135541 in words is "eleven billion, five hundred thirty-five million, one hundred thirty-five thousand, five hundred forty-one".