11160601111 has 4 divisors (see below), whose sum is σ = 12175201224. Its totient is φ = 10146001000.

The previous prime is 11160601097. The next prime is 11160601117. The reversal of 11160601111 is 11110606111.

It is a happy number.

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 11160601111 - 2¹⁷ = 11160470039 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 (11160601117) 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, 507300040 + ... + 507300061.

It is an arithmetic number, because the mean of its divisors is an integer number (3043800306).

Almost surely, 2^11160601111 is an apocalyptic number.

11160601111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11160601111 is a deficient number, since it is larger than the sum of its proper divisors (1014600113).

11160601111 is a wasteful number, since it uses less digits than its factorization.

11160601111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014600112.

The product of its (nonzero) digits is 36, while the sum is 19.

Subtracting from 11160601111 its reverse (11110606111), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 11160601111 in words is "eleven billion, one hundred sixty million, six hundred one thousand, one hundred eleven".