11115206610155 has 16 divisors (see below), whose sum is σ = 13344168096000. Its totient is φ = 8888219407200.

The previous prime is 11115206610143. The next prime is 11115206610169. The reversal of 11115206610155 is 55101660251111.

It is not a de Polignac number, because 11115206610155 - 2³⁰ = 11114132868331 is a prime.

It is a super-2 number, since 2×11115206610155² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108441680 + ... + 108544130.

It is an arithmetic number, because the mean of its divisors is an integer number (834010506000).

Almost surely, 2^{11115206610155} is an apocalyptic number.

11115206610155 is a deficient number, since it is larger than the sum of its proper divisors (2228961485845).

11115206610155 is a wasteful number, since it uses less digits than its factorization.

11115206610155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111874.

The product of its (nonzero) digits is 9000, while the sum is 35.

Adding to 11115206610155 its reverse (55101660251111), we get a palindrome (66216866861266).

The spelling of 11115206610155 in words is "eleven trillion, one hundred fifteen billion, two hundred six million, six hundred ten thousand, one hundred fifty-five".