11658698242 has 4 divisors (see below), whose sum is σ = 17488047366. Its totient is φ = 5829349120.

The previous prime is 11658698239. The next prime is 11658698251. The reversal of 11658698242 is 24289685611.

11658698242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10535174881 + 1123523361 = 102641^2 + 33519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11658698242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2914674559 + ... + 2914674562.

Almost surely, 2^11658698242 is an apocalyptic number.

11658698242 is a deficient number, since it is larger than the sum of its proper divisors (5829349124).

11658698242 is an equidigital number, since it uses as much as digits as its factorization.

11658698242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829349123.

The product of its digits is 1658880, while the sum is 52.

The spelling of 11658698242 in words is "eleven billion, six hundred fifty-eight million, six hundred ninety-eight thousand, two hundred forty-two".