1143603837165 has 16 divisors (see below), whose sum is σ = 1842929928000. Its totient is φ = 605534116992.

The previous prime is 1143603837163. The next prime is 1143603837193. The reversal of 1143603837165 is 5617383063411.

It is not a de Polignac number, because 1143603837165 - 2¹ = 1143603837163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143603837161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274243440 + ... + 274247609.

It is an arithmetic number, because the mean of its divisors is an integer number (115183120500).

Almost surely, 2^{1143603837165} is an apocalyptic number.

1143603837165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143603837165 is a deficient number, since it is larger than the sum of its proper divisors (699326090835).

1143603837165 is a wasteful number, since it uses less digits than its factorization.

1143603837165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548491196.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 1143603837165 in words is "one trillion, one hundred forty-three billion, six hundred three million, eight hundred thirty-seven thousand, one hundred sixty-five".