11143463454 has 24 divisors (see below), whose sum is σ = 24181513200. Its totient is φ = 3708742848.

The previous prime is 11143463447. The next prime is 11143463483. The reversal of 11143463454 is 45436434111.

11143463454 is a `hidden beast` number, since 1 + 1 + 14 + 3 + 4 + 634 + 5 + 4 = 666.

It is a super-2 number, since 2×11143463454² (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 in 11 ways as a sum of consecutive naturals, for example, 466779 + ... + 490070.

It is an arithmetic number, because the mean of its divisors is an integer number (1007563050).

Almost surely, 2^11143463454 is an apocalyptic number.

11143463454 is an abundant number, since it is smaller than the sum of its proper divisors (13038049746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143463454 is a wasteful number, since it uses less digits than its factorization.

11143463454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957504 (or 957501 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 11143463454 its reverse (45436434111), we get a palindrome (56579897565).

The spelling of 11143463454 in words is "eleven billion, one hundred forty-three million, four hundred sixty-three thousand, four hundred fifty-four".