11977001239436 has 12 divisors (see below), whose sum is σ = 20960830426200. Its totient is φ = 5988192546240.

The previous prime is 11977001239403. The next prime is 11977001239451. The reversal of 11977001239436 is 63493210077911.

11977001239436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 76930886 + ... + 77086413.

It is an arithmetic number, because the mean of its divisors is an integer number (1746735868850).

Almost surely, 2^{11977001239436} is an apocalyptic number.

It is an amenable number.

11977001239436 is a deficient number, since it is larger than the sum of its proper divisors (8983829186764).

11977001239436 is a wasteful number, since it uses less digits than its factorization.

11977001239436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154036744 (or 154036742 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 11977001239436 in words is "eleven trillion, nine hundred seventy-seven billion, one million, two hundred thirty-nine thousand, four hundred thirty-six".