11115220351115 has 16 divisors (see below), whose sum is σ = 13345781782752. Its totient is φ = 8887166137344.

The previous prime is 11115220351073. The next prime is 11115220351129. The reversal of 11115220351115 is 51115302251111.

It is a cyclic number.

It is not a de Polignac number, because 11115220351115 - 2¹⁴ = 11115220334731 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 64681787 + ... + 64853403.

It is an arithmetic number, because the mean of its divisors is an integer number (834111361422).

Almost surely, 2^{11115220351115} is an apocalyptic number.

11115220351115 is a deficient number, since it is larger than the sum of its proper divisors (2230561431637).

11115220351115 is a wasteful number, since it uses less digits than its factorization.

11115220351115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178846.

The product of its (nonzero) digits is 1500, while the sum is 29.

The spelling of 11115220351115 in words is "eleven trillion, one hundred fifteen billion, two hundred twenty million, three hundred fifty-one thousand, one hundred fifteen".