11775142256 has 20 divisors (see below), whose sum is σ = 23430943032. Its totient is φ = 5728447296.

The previous prime is 11775142217. The next prime is 11775142273. The reversal of 11775142256 is 65224157711.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 9944630 + ... + 9945813.

Almost surely, 2^11775142256 is an apocalyptic number.

11775142256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11775142256 is a deficient number, since it is larger than the sum of its proper divisors (11655800776).

11775142256 is a wasteful number, since it uses less digits than its factorization.

11775142256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890488 (or 19890482 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

Adding to 11775142256 its reverse (65224157711), we get a palindrome (76999299967).

The spelling of 11775142256 in words is "eleven billion, seven hundred seventy-five million, one hundred forty-two thousand, two hundred fifty-six".