11143461514 has 8 divisors (see below), whose sum is σ = 16715775780. Its totient is φ = 5571536256.

The previous prime is 11143461509. The next prime is 11143461533. The reversal of 11143461514 is 41516434111.

It can be written as a sum of positive squares in 2 ways, for example, as 10053471289 + 1089990225 = 100267^2 + 33015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9969 + ... + 149620.

Almost surely, 2^11143461514 is an apocalyptic number.

11143461514 is a deficient number, since it is larger than the sum of its proper divisors (5572314266).

11143461514 is a wasteful number, since it uses less digits than its factorization.

11143461514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194504.

The product of its digits is 5760, while the sum is 31.

Adding to 11143461514 its reverse (41516434111), we get a palindrome (52659895625).

The spelling of 11143461514 in words is "eleven billion, one hundred forty-three million, four hundred sixty-one thousand, five hundred fourteen".