11516144254665 has 8 divisors (see below), whose sum is σ = 18425830807488. Its totient is φ = 6141943602480.

The previous prime is 11516144254661. The next prime is 11516144254673. The reversal of 11516144254665 is 56645244161511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11516144254665 - 2² = 11516144254661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11516144254661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383871475141 + ... + 383871475170.

It is an arithmetic number, because the mean of its divisors is an integer number (2303228850936).

Almost surely, 2^{11516144254665} is an apocalyptic number.

11516144254665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11516144254665 is a deficient number, since it is larger than the sum of its proper divisors (6909686552823).

11516144254665 is an equidigital number, since it uses as much as digits as its factorization.

11516144254665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767742950319.

The product of its digits is 3456000, while the sum is 51.

The spelling of 11516144254665 in words is "eleven trillion, five hundred sixteen billion, one hundred forty-four million, two hundred fifty-four thousand, six hundred sixty-five".