11142623464 has 32 divisors (see below), whose sum is σ = 24459422400. Its totient is φ = 4658935680.

The previous prime is 11142623441. The next prime is 11142623509. The reversal of 11142623464 is 46432624111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424234 + ... + 2428825.

It is an arithmetic number, because the mean of its divisors is an integer number (764356950).

Almost surely, 2^11142623464 is an apocalyptic number.

11142623464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11142623464 is an abundant number, since it is smaller than the sum of its proper divisors (13316798936).

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

11142623464 is a wasteful number, since it uses less digits than its factorization.

11142623464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853113 (or 4853109 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The spelling of 11142623464 in words is "eleven billion, one hundred forty-two million, six hundred twenty-three thousand, four hundred sixty-four".