1135545941 has 2 divisors, whose sum is σ = 1135545942. Its totient is φ = 1135545940.

The previous prime is 1135545911. The next prime is 1135545959. The reversal of 1135545941 is 1495455311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054365841 + 81180100 = 32471^2 + 9010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135545941 - 2³⁰ = 61804117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1135545895 and 1135545904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135545911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567772970 + 567772971.

It is an arithmetic number, because the mean of its divisors is an integer number (567772971).

Almost surely, 2^1135545941 is an apocalyptic number.

It is an amenable number.

1135545941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135545941 is an equidigital number, since it uses as much as digits as its factorization.

1135545941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 38.

The square root of 1135545941 is about 33697.8625583285. The cubic root of 1135545941 is about 1043.2816523740.

The spelling of 1135545941 in words is "one billion, one hundred thirty-five million, five hundred forty-five thousand, nine hundred forty-one".