11327091861 has 8 divisors (see below), whose sum is σ = 15103291104. Its totient is φ = 7551143600.

The previous prime is 11327091847. The next prime is 11327091869. The reversal of 11327091861 is 16819072311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11327091861 - 2⁷ = 11327091733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11327091869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112435 + ... + 187871.

It is an arithmetic number, because the mean of its divisors is an integer number (1887911388).

Almost surely, 2^11327091861 is an apocalyptic number.

It is an amenable number.

11327091861 is a deficient number, since it is larger than the sum of its proper divisors (3776199243).

11327091861 is an equidigital number, since it uses as much as digits as its factorization.

11327091861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125491.

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 11327091861 in words is "eleven billion, three hundred twenty-seven million, ninety-one thousand, eight hundred sixty-one".