11215042110544 has 10 divisors (see below), whose sum is σ = 21729144089210. Its totient is φ = 5607521055264.

The previous prime is 11215042110521. The next prime is 11215042110563. The reversal of 11215042110544 is 44501124051211.

It can be written as a sum of positive squares in only one way, i.e., 11190443324944 + 24598785600 = 3345212^2 + 156840^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350470065939 + ... + 350470065970.

It is an arithmetic number, because the mean of its divisors is an integer number (2172914408921).

Almost surely, 2^{11215042110544} is an apocalyptic number.

It is an amenable number.

11215042110544 is a deficient number, since it is larger than the sum of its proper divisors (10514101978666).

11215042110544 is an equidigital number, since it uses as much as digits as its factorization.

11215042110544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700940131917 (or 700940131911 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 11215042110544 its reverse (44501124051211), we get a palindrome (55716166161755).

The spelling of 11215042110544 in words is "eleven trillion, two hundred fifteen billion, forty-two million, one hundred ten thousand, five hundred forty-four".