11715303377985 has 32 divisors (see below), whose sum is σ = 19062632709120. Its totient is φ = 6142985535168.

The previous prime is 11715303377971. The next prime is 11715303378041. The reversal of 11715303377985 is 58977330351711.

It is not a de Polignac number, because 11715303377985 - 2²² = 11715299183681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27061219 + ... + 27490728.

It is an arithmetic number, because the mean of its divisors is an integer number (595707272160).

Almost surely, 2^{11715303377985} is an apocalyptic number.

11715303377985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11715303377985 is a deficient number, since it is larger than the sum of its proper divisors (7347329331135).

11715303377985 is a wasteful number, since it uses less digits than its factorization.

11715303377985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54552197.

The product of its (nonzero) digits is 16669800, while the sum is 60.

The spelling of 11715303377985 in words is "eleven trillion, seven hundred fifteen billion, three hundred three million, three hundred seventy-seven thousand, nine hundred eighty-five".