11231453453 has 4 divisors (see below), whose sum is σ = 12252494688. Its totient is φ = 10210412220.

The previous prime is 11231453437. The next prime is 11231453483. The reversal of 11231453453 is 35435413211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11231453453 - 2⁴ = 11231453437 is a prime.

It is a super-2 number, since 2×11231453453² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231453483) 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, 510520601 + ... + 510520622.

It is an arithmetic number, because the mean of its divisors is an integer number (3063123672).

Almost surely, 2^11231453453 is an apocalyptic number.

It is an amenable number.

11231453453 is a deficient number, since it is larger than the sum of its proper divisors (1021041235).

11231453453 is a wasteful number, since it uses less digits than its factorization.

11231453453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021041234.

The product of its digits is 21600, while the sum is 32.

Adding to 11231453453 its reverse (35435413211), we get a palindrome (46666866664).

The spelling of 11231453453 in words is "eleven billion, two hundred thirty-one million, four hundred fifty-three thousand, four hundred fifty-three".