11115212300442 has 32 divisors (see below), whose sum is σ = 24724383298560. Its totient is φ = 3701484038880.

The previous prime is 11115212300389. The next prime is 11115212300447. The reversal of 11115212300442 is 24400321251111.

11115212300442 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 5 + 212 + 3 + 0 + 0 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11115212300447) by changing a digit.

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, 99575034 + ... + 99686597.

It is an arithmetic number, because the mean of its divisors is an integer number (772636978080).

Almost surely, 2^{11115212300442} is an apocalyptic number.

11115212300442 is an abundant number, since it is smaller than the sum of its proper divisors (13609170998118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11115212300442 is a wasteful number, since it uses less digits than its factorization.

11115212300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199262675 (or 199262669 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 11115212300442 its reverse (24400321251111), we get a palindrome (35515533551553).

The spelling of 11115212300442 in words is "eleven trillion, one hundred fifteen billion, two hundred twelve million, three hundred thousand, four hundred forty-two".