11211304454 has 8 divisors (see below), whose sum is σ = 19219379088. Its totient is φ = 4804844760.

The previous prime is 11211304451. The next prime is 11211304459. The reversal of 11211304454 is 45440311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211304451) 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, 400403717 + ... + 400403744.

It is an arithmetic number, because the mean of its divisors is an integer number (2402422386).

Almost surely, 2^11211304454 is an apocalyptic number.

11211304454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11211304454 is a deficient number, since it is larger than the sum of its proper divisors (8008074634).

11211304454 is an equidigital number, since it uses as much as digits as its factorization.

11211304454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800807470.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11211304454 its reverse (45440311211), we get a palindrome (56651615665).

The spelling of 11211304454 in words is "eleven billion, two hundred eleven million, three hundred four thousand, four hundred fifty-four".