11115520344001 has 8 divisors (see below), whose sum is σ = 11243537454240. Its totient is φ = 10988189653152.

The previous prime is 11115520343987. The next prime is 11115520344109. The reversal of 11115520344001 is 10044302551111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11115520344001 - 2⁹ = 11115520343489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115529344001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171572275 + ... + 171637048.

It is an arithmetic number, because the mean of its divisors is an integer number (1405442181780).

Almost surely, 2^{11115520344001} is an apocalyptic number.

It is an amenable number.

11115520344001 is a deficient number, since it is larger than the sum of its proper divisors (128017110239).

11115520344001 is a wasteful number, since it uses less digits than its factorization.

11115520344001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343209695.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 11115520344001 its reverse (10044302551111), we get a palindrome (21159822895112).

The spelling of 11115520344001 in words is "eleven trillion, one hundred fifteen billion, five hundred twenty million, three hundred forty-four thousand, one".