211104421503542 has 32 divisors (see below), whose sum is σ = 362013708672000. Its totient is φ = 90443221498368.

The previous prime is 211104421503529. The next prime is 211104421503559. The reversal of 211104421503542 is 245305124401112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006165443 + ... + 3006235665.

It is an arithmetic number, because the mean of its divisors is an integer number (11312928396000).

Almost surely, 2^{211104421503542} is an apocalyptic number.

211104421503542 is a deficient number, since it is larger than the sum of its proper divisors (150909287168458).

211104421503542 is a wasteful number, since it uses less digits than its factorization.

211104421503542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138620.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 211104421503542 its reverse (245305124401112), we get a palindrome (456409545904654).

The spelling of 211104421503542 in words is "two hundred eleven trillion, one hundred four billion, four hundred twenty-one million, five hundred three thousand, five hundred forty-two".