11243402221315 has 24 divisors (see below), whose sum is σ = 15039015725664. Its totient is φ = 8061850473600.

The previous prime is 11243402221273. The next prime is 11243402221319. The reversal of 11243402221315 is 51312220434211.

It is not a de Polignac number, because 11243402221315 - 2⁷ = 11243402221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243402221319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130831242 + ... + 130917151.

It is an arithmetic number, because the mean of its divisors is an integer number (626625655236).

Almost surely, 2^{11243402221315} is an apocalyptic number.

11243402221315 is a deficient number, since it is larger than the sum of its proper divisors (3795613504349).

11243402221315 is a wasteful number, since it uses less digits than its factorization.

11243402221315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261748491 (or 261748480 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 11243402221315 its reverse (51312220434211), we get a palindrome (62555622655526).

The spelling of 11243402221315 in words is "eleven trillion, two hundred forty-three billion, four hundred two million, two hundred twenty-one thousand, three hundred fifteen".