1121031550066 has 4 divisors (see below), whose sum is σ = 1681547325102. Its totient is φ = 560515775032.

The previous prime is 1121031550027. The next prime is 1121031550081. The reversal of 1121031550066 is 6600551301211.

It is a happy number.

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., 823383834025 + 297647716041 = 907405^2 + 545571^2 .

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, 280257887515 + ... + 280257887518.

Almost surely, 2^{1121031550066} is an apocalyptic number.

1121031550066 is a deficient number, since it is larger than the sum of its proper divisors (560515775036).

1121031550066 is an equidigital number, since it uses as much as digits as its factorization.

1121031550066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560515775035.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 1121031550066 its reverse (6600551301211), we get a palindrome (7721582851277).

The spelling of 1121031550066 in words is "one trillion, one hundred twenty-one billion, thirty-one million, five hundred fifty thousand, sixty-six".