11143498 has 8 divisors (see below), whose sum is σ = 16826400. Its totient is φ = 5534700.

The previous prime is 11143487. The next prime is 11143499. The reversal of 11143498 is 89434111.

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

It is not an unprimeable number, because it can be changed into a prime (11143499) 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, 18148 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (2103300).

Almost surely, 2^11143498 is an apocalyptic number.

11143498 is a deficient number, since it is larger than the sum of its proper divisors (5682902).

11143498 is a wasteful number, since it uses less digits than its factorization.

11143498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37052.

The product of its digits is 3456, while the sum is 31.

The square root of 11143498 is about 3338.1878317434. The cubic root of 11143498 is about 223.3609148877.

It can be divided in two parts, 111 and 43498, that multiplied together give a triangular number (4828278 = T₃₁₀₇).

The spelling of 11143498 in words is "eleven million, one hundred forty-three thousand, four hundred ninety-eight".