11123340452456 has 64 divisors (see below), whose sum is σ = 21190453493760. Its totient is φ = 5472859392000.

The previous prime is 11123340452453. The next prime is 11123340452513. The reversal of 11123340452456 is 65425404332111.

It is not an unprimeable number, because it can be changed into a prime (11123340452453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357991321 + ... + 1357999511.

It is an arithmetic number, because the mean of its divisors is an integer number (331100835840).

Almost surely, 2^{11123340452456} is an apocalyptic number.

It is an amenable number.

11123340452456 is a deficient number, since it is larger than the sum of its proper divisors (10067113041304).

11123340452456 is a wasteful number, since it uses less digits than its factorization.

11123340452456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12546 (or 12542 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 11123340452456 its reverse (65425404332111), we get a palindrome (76548744784567).

The spelling of 11123340452456 in words is "eleven trillion, one hundred twenty-three billion, three hundred forty million, four hundred fifty-two thousand, four hundred fifty-six".