11858636982 has 16 divisors (see below), whose sum is σ = 23724176112. Its totient is φ = 3951728640.

The previous prime is 11858636971. The next prime is 11858636983. The reversal of 11858636982 is 28963685811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858636983) 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, 265119 + ... + 306602.

It is an arithmetic number, because the mean of its divisors is an integer number (1482761007).

Almost surely, 2^11858636982 is an apocalyptic number.

11858636982 is an abundant number, since it is smaller than the sum of its proper divisors (11865539130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11858636982 is a wasteful number, since it uses less digits than its factorization.

11858636982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575183.

The product of its digits is 4976640, while the sum is 57.

The spelling of 11858636982 in words is "eleven billion, eight hundred fifty-eight million, six hundred thirty-six thousand, nine hundred eighty-two".