11141205454 has 4 divisors (see below), whose sum is σ = 16711808184. Its totient is φ = 5570602726.

The previous prime is 11141205431. The next prime is 11141205463. The reversal of 11141205454 is 45450214111.

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

It is a super-2 number, since 2×11141205454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785301362 + ... + 2785301365.

It is an arithmetic number, because the mean of its divisors is an integer number (4177952046).

Almost surely, 2^11141205454 is an apocalyptic number.

11141205454 is a deficient number, since it is larger than the sum of its proper divisors (5570602730).

11141205454 is an equidigital number, since it uses as much as digits as its factorization.

11141205454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570602729.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 11141205454 its reverse (45450214111), we get a palindrome (56591419565).

The spelling of 11141205454 in words is "eleven billion, one hundred forty-one million, two hundred five thousand, four hundred fifty-four".