1140230491550 has 12 divisors (see below), whose sum is σ = 2120828714376. Its totient is φ = 456092196600.

The previous prime is 1140230491493. The next prime is 1140230491567. The reversal of 1140230491550 is 551940320411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140230491550.

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 5 ways as a sum of consecutive naturals, for example, 11402304866 + ... + 11402304965.

It is an arithmetic number, because the mean of its divisors is an integer number (176735726198).

Almost surely, 2^{1140230491550} is an apocalyptic number.

1140230491550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140230491550 is a deficient number, since it is larger than the sum of its proper divisors (980598222826).

1140230491550 is a wasteful number, since it uses less digits than its factorization.

1140230491550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22804609843 (or 22804609838 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 1140230491550 in words is "one trillion, one hundred forty billion, two hundred thirty million, four hundred ninety-one thousand, five hundred fifty".