11143521514 has 16 divisors (see below), whose sum is σ = 17072863200. Its totient is φ = 5453392464.

The previous prime is 11143521479. The next prime is 11143521533. The reversal of 11143521514 is 41512534111.

It is a happy number.

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, 179172 + ... + 233215.

It is an arithmetic number, because the mean of its divisors is an integer number (1067053950).

Almost surely, 2^11143521514 is an apocalyptic number.

11143521514 is a deficient number, since it is larger than the sum of its proper divisors (5929341686).

11143521514 is a wasteful number, since it uses less digits than its factorization.

11143521514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412677.

The product of its digits is 2400, while the sum is 28.

The spelling of 11143521514 in words is "eleven billion, one hundred forty-three million, five hundred twenty-one thousand, five hundred fourteen".