1143670467081 has 4 divisors (see below), whose sum is σ = 1524893956112. Its totient is φ = 762446978052.

The previous prime is 1143670467077. The next prime is 1143670467097. The reversal of 1143670467081 is 1807640763411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1143670467081 - 2² = 1143670467077 is a prime.

It is a super-2 number, since 2×1143670467081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143670467081.

It is not an unprimeable number, because it can be changed into a prime (1143670467581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190611744511 + ... + 190611744516.

It is an arithmetic number, because the mean of its divisors is an integer number (381223489028).

Almost surely, 2^{1143670467081} is an apocalyptic number.

It is an amenable number.

1143670467081 is a deficient number, since it is larger than the sum of its proper divisors (381223489031).

1143670467081 is an equidigital number, since it uses as much as digits as its factorization.

1143670467081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381223489030.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 1143670467081 in words is "one trillion, one hundred forty-three billion, six hundred seventy million, four hundred sixty-seven thousand, eighty-one".