11204354531 has 4 divisors (see below), whose sum is σ = 11229309000. Its totient is φ = 11179400064.

The previous prime is 11204354501. The next prime is 11204354533. The reversal of 11204354531 is 13545340211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13545340211 = 13 ⋅1041949247.

It is a cyclic number.

It is not a de Polignac number, because 11204354531 - 2¹⁰ = 11204353507 is a prime.

It is a super-3 number, since 3×11204354531³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11204354494 and 11204354503.

It is not an unprimeable number, because it can be changed into a prime (11204354533) 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, 12476561 + ... + 12477458.

It is an arithmetic number, because the mean of its divisors is an integer number (2807327250).

Almost surely, 2^11204354531 is an apocalyptic number.

11204354531 is a deficient number, since it is larger than the sum of its proper divisors (24954469).

11204354531 is an equidigital number, since it uses as much as digits as its factorization.

11204354531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24954468.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11204354531 its reverse (13545340211), we get a palindrome (24749694742).

The spelling of 11204354531 in words is "eleven billion, two hundred four million, three hundred fifty-four thousand, five hundred thirty-one".