11453054531 has 4 divisors (see below), whose sum is σ = 11455986864. Its totient is φ = 11450122200.

The previous prime is 11453054527. The next prime is 11453054537. The reversal of 11453054531 is 13545035411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13545035411 = 10223 ⋅1324957.

It is a cyclic number.

It is not a de Polignac number, because 11453054531 - 2² = 11453054527 is a prime.

It is a super-2 number, since 2×11453054531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11453054537) 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, 1460300 + ... + 1468121.

It is an arithmetic number, because the mean of its divisors is an integer number (2863996716).

Almost surely, 2^11453054531 is an apocalyptic number.

11453054531 is a deficient number, since it is larger than the sum of its proper divisors (2932333).

11453054531 is an equidigital number, since it uses as much as digits as its factorization.

11453054531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932332.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 11453054531 its reverse (13545035411), we get a palindrome (24998089942).

The spelling of 11453054531 in words is "eleven billion, four hundred fifty-three million, fifty-four thousand, five hundred thirty-one".