1144171330767 has 12 divisors (see below), whose sum is σ = 1659276355464. Its totient is φ = 759741918000.

The previous prime is 1144171330733. The next prime is 1144171330781. The reversal of 1144171330767 is 7670331714411.

1144171330767 is a `hidden beast` number, since 1 + 1 + 441 + 7 + 133 + 0 + 76 + 7 = 666.

It is not a de Polignac number, because 1144171330767 - 2¹⁵ = 1144171297999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144171330567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253245048 + ... + 253249565.

It is an arithmetic number, because the mean of its divisors is an integer number (138273029622).

Almost surely, 2^{1144171330767} is an apocalyptic number.

1144171330767 is a deficient number, since it is larger than the sum of its proper divisors (515105024697).

1144171330767 is a wasteful number, since it uses less digits than its factorization.

1144171330767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506494870 (or 506494867 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 1144171330767 in words is "one trillion, one hundred forty-four billion, one hundred seventy-one million, three hundred thirty thousand, seven hundred sixty-seven".