11161001167 has 4 divisors (see below), whose sum is σ = 11217086800. Its totient is φ = 11104915536.

The previous prime is 11161001101. The next prime is 11161001191. The reversal of 11161001167 is 76110016111.

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 11161001167 - 2¹⁹ = 11160476879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161101167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28042518 + ... + 28042915.

It is an arithmetic number, because the mean of its divisors is an integer number (2804271700).

Almost surely, 2^11161001167 is an apocalyptic number.

11161001167 is a deficient number, since it is larger than the sum of its proper divisors (56085633).

11161001167 is an equidigital number, since it uses as much as digits as its factorization.

11161001167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56085632.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 11161001167 its reverse (76110016111), we get a palindrome (87271017278).

The spelling of 11161001167 in words is "eleven billion, one hundred sixty-one million, one thousand, one hundred sixty-seven".