1144156255017 has 8 divisors (see below), whose sum is σ = 1526349273120. Its totient is φ = 762367036800.

The previous prime is 1144156254979. The next prime is 1144156255027. The reversal of 1144156255017 is 7105526514411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144156255017 - 2⁶ = 1144156254953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144156255017.

It is not an unprimeable number, because it can be changed into a prime (1144156255027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100943359 + ... + 100954692.

It is an arithmetic number, because the mean of its divisors is an integer number (190793659140).

Almost surely, 2^{1144156255017} is an apocalyptic number.

It is an amenable number.

1144156255017 is a deficient number, since it is larger than the sum of its proper divisors (382193018103).

1144156255017 is a wasteful number, since it uses less digits than its factorization.

1144156255017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201899943.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 1144156255017 in words is "one trillion, one hundred forty-four billion, one hundred fifty-six million, two hundred fifty-five thousand, seventeen".