11818940235 has 16 divisors (see below), whose sum is σ = 19371532320. Its totient is φ = 6149692160.

The previous prime is 11818940213. The next prime is 11818940261. The reversal of 11818940235 is 53204981811.

It is not a de Polignac number, because 11818940235 - 2⁶ = 11818940171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9608280 + ... + 9609509.

It is an arithmetic number, because the mean of its divisors is an integer number (1210720770).

Almost surely, 2^11818940235 is an apocalyptic number.

11818940235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11818940235 is a deficient number, since it is larger than the sum of its proper divisors (7552592085).

11818940235 is a wasteful number, since it uses less digits than its factorization.

11818940235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19217838.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 11818940235 in words is "eleven billion, eight hundred eighteen million, nine hundred forty thousand, two hundred thirty-five".