11456516455 has 8 divisors (see below), whose sum is σ = 13980834000. Its totient is φ = 9009870336.

The previous prime is 11456516447. The next prime is 11456516459. The reversal of 11456516455 is 55461565411.

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 11456516455 - 2³ = 11456516447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456516459) 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, 19417530 + ... + 19418119.

It is an arithmetic number, because the mean of its divisors is an integer number (1747604250).

Almost surely, 2^11456516455 is an apocalyptic number.

11456516455 is a deficient number, since it is larger than the sum of its proper divisors (2524317545).

11456516455 is an equidigital number, since it uses as much as digits as its factorization.

11456516455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835713.

The product of its digits is 360000, while the sum is 43.

The spelling of 11456516455 in words is "eleven billion, four hundred fifty-six million, five hundred sixteen thousand, four hundred fifty-five".