11143456516 has 12 divisors (see below), whose sum is σ = 19508735232. Its totient is φ = 5569532168.

The previous prime is 11143456501. The next prime is 11143456517. The reversal of 11143456516 is 61565434111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11143456517) 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, 537580 + ... + 557923.

It is an arithmetic number, because the mean of its divisors is an integer number (1625727936).

Almost surely, 2^11143456516 is an apocalyptic number.

It is an amenable number.

11143456516 is a deficient number, since it is larger than the sum of its proper divisors (8365278716).

11143456516 is a wasteful number, since it uses less digits than its factorization.

11143456516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098050 (or 1098048 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The spelling of 11143456516 in words is "eleven billion, one hundred forty-three million, four hundred fifty-six thousand, five hundred sixteen".