11773542226 has 4 divisors (see below), whose sum is σ = 17660313342. Its totient is φ = 5886771112.

The previous prime is 11773542211. The next prime is 11773542257. The reversal of 11773542226 is 62224537711.

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., 11427396201 + 346146025 = 106899^2 + 18605^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2943385555 + ... + 2943385558.

Almost surely, 2^11773542226 is an apocalyptic number.

11773542226 is a deficient number, since it is larger than the sum of its proper divisors (5886771116).

11773542226 is an equidigital number, since it uses as much as digits as its factorization.

11773542226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886771115.

The product of its digits is 141120, while the sum is 40.

The spelling of 11773542226 in words is "eleven billion, seven hundred seventy-three million, five hundred forty-two thousand, two hundred twenty-six".