11854055 has 4 divisors (see below), whose sum is σ = 14224872. Its totient is φ = 9483240.

The previous prime is 11854019. The next prime is 11854057. The reversal of 11854055 is 55045811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55045811 = 3457 ⋅15923.

It is not a de Polignac number, because 11854055 - 2⁶ = 11853991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11854057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185401 + ... + 1185410.

It is an arithmetic number, because the mean of its divisors is an integer number (3556218).

Almost surely, 2^11854055 is an apocalyptic number.

11854055 is a deficient number, since it is larger than the sum of its proper divisors (2370817).

11854055 is an equidigital number, since it uses as much as digits as its factorization.

11854055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370816.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 11854055 is about 3442.9718267799. The cubic root of 11854055 is about 228.0109195037.

Adding to 11854055 its reverse (55045811), we get a palindrome (66899866).

The spelling of 11854055 in words is "eleven million, eight hundred fifty-four thousand, fifty-five".