11315240421103 has 4 divisors (see below), whose sum is σ = 11318363593488. Its totient is φ = 11312117248720.

The previous prime is 11315240421101. The next prime is 11315240421137. The reversal of 11315240421103 is 30112404251311.

11315240421103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11315240421103 - 2¹ = 11315240421101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315240421101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561580758 + ... + 1561588003.

It is an arithmetic number, because the mean of its divisors is an integer number (2829590898372).

Almost surely, 2^{11315240421103} is an apocalyptic number.

11315240421103 is a deficient number, since it is larger than the sum of its proper divisors (3123172385).

11315240421103 is an equidigital number, since it uses as much as digits as its factorization.

11315240421103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123172384.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 11315240421103 its reverse (30112404251311), we get a palindrome (41427644672414).

The spelling of 11315240421103 in words is "eleven trillion, three hundred fifteen billion, two hundred forty million, four hundred twenty-one thousand, one hundred three".