11854452155 has 64 divisors (see below), whose sum is σ = 18916934400. Its totient is φ = 7061870592.

The previous prime is 11854452151. The next prime is 11854452179. The reversal of 11854452155 is 55125445811.

It is a happy number.

11854452155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11854452155 - 2² = 11854452151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11854452151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363377 + ... + 394653.

It is an arithmetic number, because the mean of its divisors is an integer number (295577100).

Almost surely, 2^11854452155 is an apocalyptic number.

11854452155 is a deficient number, since it is larger than the sum of its proper divisors (7062482245).

11854452155 is a wasteful number, since it uses less digits than its factorization.

11854452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31333 (or 31319 counting only the distinct ones).

The product of its digits is 160000, while the sum is 41.

Adding to 11854452155 its reverse (55125445811), we get a palindrome (66979897966).

The spelling of 11854452155 in words is "eleven billion, eight hundred fifty-four million, four hundred fifty-two thousand, one hundred fifty-five".