11641603562 has 4 divisors (see below), whose sum is σ = 17462405346. Its totient is φ = 5820801780.

The previous prime is 11641603517. The next prime is 11641603579. The reversal of 11641603562 is 26530614611.

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., 10627754281 + 1013849281 = 103091^2 + 31841^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910400889 + ... + 2910400892.

Almost surely, 2^11641603562 is an apocalyptic number.

11641603562 is a deficient number, since it is larger than the sum of its proper divisors (5820801784).

11641603562 is an equidigital number, since it uses as much as digits as its factorization.

11641603562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820801783.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 11641603562 in words is "eleven billion, six hundred forty-one million, six hundred three thousand, five hundred sixty-two".