11453242455 has 80 divisors (see below), whose sum is σ = 21331680480. Its totient is φ = 5896291968.

The previous prime is 11453242447. The next prime is 11453242481. The reversal of 11453242455 is 55424235411.

11453242455 is a `hidden beast` number, since 114 + 53 + 2 + 42 + 455 = 666.

It is not a de Polignac number, because 11453242455 - 2³ = 11453242447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2852029 + ... + 2856041.

It is an arithmetic number, because the mean of its divisors is an integer number (266646006).

Almost surely, 2^11453242455 is an apocalyptic number.

11453242455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11453242455 is a deficient number, since it is larger than the sum of its proper divisors (9878438025).

11453242455 is an frugal number, since it uses more digits than its factorization.

11453242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074 (or 4050 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 11453242455 its reverse (55424235411), we get a palindrome (66877477866).

The spelling of 11453242455 in words is "eleven billion, four hundred fifty-three million, two hundred forty-two thousand, four hundred fifty-five".