1135251453 has 16 divisors (see below), whose sum is σ = 1765212800. Its totient is φ = 648714528.

The previous prime is 1135251437. The next prime is 1135251499. The reversal of 1135251453 is 3541525311.

It is not a de Polignac number, because 1135251453 - 2⁴ = 1135251437 is a prime.

It is a super-2 number, since 2×1135251453² = 2577591723077222418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135251453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135251253) 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 15 ways as a sum of consecutive naturals, for example, 550600 + ... + 552657.

It is an arithmetic number, because the mean of its divisors is an integer number (110325800).

Almost surely, 2^1135251453 is an apocalyptic number.

It is an amenable number.

1135251453 is a deficient number, since it is larger than the sum of its proper divisors (629961347).

1135251453 is an equidigital number, since it uses as much as digits as its factorization.

1135251453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103281 (or 1103267 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1135251453 is about 33693.4927396968. The cubic root of 1135251453 is about 1043.1914577287.

Adding to 1135251453 its reverse (3541525311), we get a palindrome (4676776764).

The spelling of 1135251453 in words is "one billion, one hundred thirty-five million, two hundred fifty-one thousand, four hundred fifty-three".