1140120423566 has 16 divisors (see below), whose sum is σ = 1719346335408. Its totient is φ = 567010180800.

The previous prime is 1140120423553. The next prime is 1140120423571. The reversal of 1140120423566 is 6653240210411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861500 + ... + 1738511.

It is an arithmetic number, because the mean of its divisors is an integer number (107459145963).

Almost surely, 2^{1140120423566} is an apocalyptic number.

1140120423566 is a deficient number, since it is larger than the sum of its proper divisors (579225911842).

1140120423566 is a wasteful number, since it uses less digits than its factorization.

1140120423566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601187.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 1140120423566 its reverse (6653240210411), we get a palindrome (7793360633977).

The spelling of 1140120423566 in words is "one trillion, one hundred forty billion, one hundred twenty million, four hundred twenty-three thousand, five hundred sixty-six".