1144001142815 has 4 divisors (see below), whose sum is σ = 1372801371384. Its totient is φ = 915200914248.

The previous prime is 1144001142803. The next prime is 1144001142827. The reversal of 1144001142815 is 5182411004411.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1144001142803) and next prime (1144001142827).

It is a cyclic number.

It is not a de Polignac number, because 1144001142815 - 2²² = 1143996948511 is a prime.

It is a super-2 number, since 2×1144001142815² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114400114277 + ... + 114400114286.

It is an arithmetic number, because the mean of its divisors is an integer number (343200342846).

Almost surely, 2^{1144001142815} is an apocalyptic number.

1144001142815 is a deficient number, since it is larger than the sum of its proper divisors (228800228569).

1144001142815 is an equidigital number, since it uses as much as digits as its factorization.

1144001142815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228800228568.

The product of its (nonzero) digits is 5120, while the sum is 32.

The spelling of 1144001142815 in words is "one trillion, one hundred forty-four billion, one million, one hundred forty-two thousand, eight hundred fifteen".