1167021652011 has 4 divisors (see below), whose sum is σ = 1556028869352. Its totient is φ = 778014434672.

The previous prime is 1167021652001. The next prime is 1167021652019. The reversal of 1167021652011 is 1102561207611.

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

It is a cyclic number.

It is not a de Polignac number, because 1167021652011 - 2⁵ = 1167021651979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1167021652019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194503608666 + ... + 194503608671.

It is an arithmetic number, because the mean of its divisors is an integer number (389007217338).

Almost surely, 2^{1167021652011} is an apocalyptic number.

1167021652011 is a deficient number, since it is larger than the sum of its proper divisors (389007217341).

1167021652011 is an equidigital number, since it uses as much as digits as its factorization.

1167021652011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389007217340.

The product of its (nonzero) digits is 5040, while the sum is 33.

Adding to 1167021652011 its reverse (1102561207611), we get a palindrome (2269582859622).

The spelling of 1167021652011 in words is "one trillion, one hundred sixty-seven billion, twenty-one million, six hundred fifty-two thousand, eleven".