11835140986 has 8 divisors (see below), whose sum is σ = 17753372244. Its totient is φ = 5917350240.

The previous prime is 11835140959. The next prime is 11835141007. The reversal of 11835140986 is 68904153811.

It can be written as a sum of positive squares in 2 ways, for example, as 10607970025 + 1227170961 = 102995^2 + 35031^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31825 + ... + 157108.

Almost surely, 2^11835140986 is an apocalyptic number.

11835140986 is a deficient number, since it is larger than the sum of its proper divisors (5918231258).

11835140986 is a wasteful number, since it uses less digits than its factorization.

11835140986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220256.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 11835140986 in words is "eleven billion, eight hundred thirty-five million, one hundred forty thousand, nine hundred eighty-six".