11990786674 has 16 divisors (see below), whose sum is σ = 18345631680. Its totient is φ = 5875824240.

The previous prime is 11990786641. The next prime is 11990786683. The reversal of 11990786674 is 47668709911.

11990786674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11990786674² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35869 + ... + 158959.

It is an arithmetic number, because the mean of its divisors is an integer number (1146601980).

Almost surely, 2^11990786674 is an apocalyptic number.

11990786674 is a deficient number, since it is larger than the sum of its proper divisors (6354845006).

11990786674 is a wasteful number, since it uses less digits than its factorization.

11990786674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124065.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 11990786674 in words is "eleven billion, nine hundred ninety million, seven hundred eighty-six thousand, six hundred seventy-four".