1135211501 has 4 divisors (see below), whose sum is σ = 1148888832. Its totient is φ = 1121534172.

The previous prime is 1135211479. The next prime is 1135211549. The reversal of 1135211501 is 1051125311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1051125311 = 14177 ⋅74143.

It is a cyclic number.

It is not a de Polignac number, because 1135211501 - 2³⁰ = 61469677 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 (1135211401) 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 in 3 ways as a sum of consecutive naturals, for example, 6838541 + ... + 6838706.

It is an arithmetic number, because the mean of its divisors is an integer number (287222208).

Almost surely, 2^1135211501 is an apocalyptic number.

It is an amenable number.

1135211501 is a deficient number, since it is larger than the sum of its proper divisors (13677331).

1135211501 is an equidigital number, since it uses as much as digits as its factorization.

1135211501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677330.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1135211501 is about 33692.8998603563. The cubic root of 1135211501 is about 1043.1792201832.

Adding to 1135211501 its reverse (1051125311), we get a palindrome (2186336812).

The spelling of 1135211501 in words is "one billion, one hundred thirty-five million, two hundred eleven thousand, five hundred one".