11454040555 has 12 divisors (see below), whose sum is σ = 13797725760. Its totient is φ = 9128115632.

The previous prime is 11454040529. The next prime is 11454040573. The reversal of 11454040555 is 55504045411.

It is not a de Polignac number, because 11454040555 - 2¹⁵ = 11454007787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11454040555.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329286 + ... + 362404.

It is an arithmetic number, because the mean of its divisors is an integer number (1149810480).

Almost surely, 2^11454040555 is an apocalyptic number.

11454040555 is a deficient number, since it is larger than the sum of its proper divisors (2343685205).

11454040555 is an frugal number, since it uses more digits than its factorization.

11454040555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33650 (or 33387 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 11454040555 its reverse (55504045411), we get a palindrome (66958085966).

The spelling of 11454040555 in words is "eleven billion, four hundred fifty-four million, forty thousand, five hundred fifty-five".