11216156126505 has 16 divisors (see below), whose sum is σ = 19577290693824. Its totient is φ = 5438136303680.

The previous prime is 11216156126501. The next prime is 11216156126509. The reversal of 11216156126505 is 50562165161211.

It is an interprime number because it is at equal distance from previous prime (11216156126501) and next prime (11216156126509).

It is not a de Polignac number, because 11216156126505 - 2² = 11216156126501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11216156126501) 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, 33988351734 + ... + 33988352063.

It is an arithmetic number, because the mean of its divisors is an integer number (1223580668364).

Almost surely, 2^{11216156126505} is an apocalyptic number.

11216156126505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11216156126505 is a deficient number, since it is larger than the sum of its proper divisors (8361134567319).

11216156126505 is a wasteful number, since it uses less digits than its factorization.

11216156126505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67976703816.

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 11216156126505 in words is "eleven trillion, two hundred sixteen billion, one hundred fifty-six million, one hundred twenty-six thousand, five hundred five".