18361086011 has 8 divisors (see below), whose sum is σ = 19442371680. Its totient is φ = 17279936128.

The previous prime is 18361085971. The next prime is 18361086017. The reversal of 18361086011 is 11068016381.

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 18361086011 - 2⁶ = 18361085947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18361086017) 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, 411770 + ... + 454176.

It is an arithmetic number, because the mean of its divisors is an integer number (2430296460).

Almost surely, 2^18361086011 is an apocalyptic number.

18361086011 is a deficient number, since it is larger than the sum of its proper divisors (1081285669).

18361086011 is a wasteful number, since it uses less digits than its factorization.

18361086011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67893.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 18361086011 in words is "eighteen billion, three hundred sixty-one million, eighty-six thousand, eleven".