1135210541 has 4 divisors (see below), whose sum is σ = 1139309052. Its totient is φ = 1131112032.

The previous prime is 1135210519. The next prime is 1135210553. The reversal of 1135210541 is 1450125311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1450125311 = 107 ⋅13552573.

It can be written as a sum of positive squares in 2 ways, for example, as 623500900 + 511709641 = 24970^2 + 22621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135210541 - 2¹⁴ = 1135194157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135230541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048840 + ... + 2049393.

It is an arithmetic number, because the mean of its divisors is an integer number (284827263).

Almost surely, 2^1135210541 is an apocalyptic number.

It is an amenable number.

1135210541 is a deficient number, since it is larger than the sum of its proper divisors (4098511).

1135210541 is an equidigital number, since it uses as much as digits as its factorization.

1135210541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098510.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1135210541 is about 33692.8856140284. The cubic root of 1135210541 is about 1043.1789261257.

Adding to 1135210541 its reverse (1450125311), we get a palindrome (2585335852).

The spelling of 1135210541 in words is "one billion, one hundred thirty-five million, two hundred ten thousand, five hundred forty-one".