11140663453 has 4 divisors (see below), whose sum is σ = 11306942080. Its totient is φ = 10974384828.

The previous prime is 11140663451. The next prime is 11140663477. The reversal of 11140663453 is 35436604111.

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 11140663453 - 2¹ = 11140663451 is a prime.

It is a super-2 number, since 2×11140663453² (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 (11140663451) 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, 83139213 + ... + 83139346.

It is an arithmetic number, because the mean of its divisors is an integer number (2826735520).

Almost surely, 2^11140663453 is an apocalyptic number.

It is an amenable number.

11140663453 is a deficient number, since it is larger than the sum of its proper divisors (166278627).

11140663453 is an equidigital number, since it uses as much as digits as its factorization.

11140663453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166278626.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11140663453 in words is "eleven billion, one hundred forty million, six hundred sixty-three thousand, four hundred fifty-three".