18041100777 has 12 divisors (see below), whose sum is σ = 29782134720. Its totient is φ = 10309200408.

The previous prime is 18041100773. The next prime is 18041100797. The reversal of 18041100777 is 77700114081.

It is a happy number.

It is not a de Polignac number, because 18041100777 - 2² = 18041100773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18041100773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143183277 + ... + 143183402.

It is an arithmetic number, because the mean of its divisors is an integer number (2481844560).

Almost surely, 2^18041100777 is an apocalyptic number.

It is an amenable number.

18041100777 is a deficient number, since it is larger than the sum of its proper divisors (11741033943).

18041100777 is a wasteful number, since it uses less digits than its factorization.

18041100777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286366692 (or 286366689 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

The spelling of 18041100777 in words is "eighteen billion, forty-one million, one hundred thousand, seven hundred seventy-seven".