11549542198 has 8 divisors (see below), whose sum is σ = 18236119320. Its totient is φ = 5470835760.

The previous prime is 11549542183. The next prime is 11549542201. The reversal of 11549542198 is 89124594511.

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

It is a congruent number.

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, 151967623 + ... + 151967698.

It is an arithmetic number, because the mean of its divisors is an integer number (2279514915).

Almost surely, 2^11549542198 is an apocalyptic number.

11549542198 is a deficient number, since it is larger than the sum of its proper divisors (6686577122).

11549542198 is a wasteful number, since it uses less digits than its factorization.

11549542198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303935342.

The product of its digits is 518400, while the sum is 49.

The spelling of 11549542198 in words is "eleven billion, five hundred forty-nine million, five hundred forty-two thousand, one hundred ninety-eight".