11253144454 has 4 divisors (see below), whose sum is σ = 16879716684. Its totient is φ = 5626572226.

The previous prime is 11253144451. The next prime is 11253144457. The reversal of 11253144454 is 45444135211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11253144451) and next prime (11253144457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253144451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813286112 + ... + 2813286115.

It is an arithmetic number, because the mean of its divisors is an integer number (4219929171).

Almost surely, 2^11253144454 is an apocalyptic number.

11253144454 is a deficient number, since it is larger than the sum of its proper divisors (5626572230).

11253144454 is an equidigital number, since it uses as much as digits as its factorization.

11253144454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626572229.

The product of its digits is 38400, while the sum is 34.

Adding to 11253144454 its reverse (45444135211), we get a palindrome (56697279665).

The spelling of 11253144454 in words is "eleven billion, two hundred fifty-three million, one hundred forty-four thousand, four hundred fifty-four".