11864986874 has 32 divisors (see below), whose sum is σ = 19251800064. Its totient is φ = 5451842880.

The previous prime is 11864986873. The next prime is 11864986901. The reversal of 11864986874 is 47868946811.

It is not an unprimeable number, because it can be changed into a prime (11864986873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10564877 + ... + 10565999.

It is an arithmetic number, because the mean of its divisors is an integer number (601618752).

Almost surely, 2^11864986874 is an apocalyptic number.

11864986874 is a deficient number, since it is larger than the sum of its proper divisors (7386813190).

11864986874 is a wasteful number, since it uses less digits than its factorization.

11864986874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its digits is 18579456, while the sum is 62.

The spelling of 11864986874 in words is "eleven billion, eight hundred sixty-four million, nine hundred eighty-six thousand, eight hundred seventy-four".