11853454459 has 32 divisors (see below), whose sum is σ = 15673996800. Its totient is φ = 8678499840.

The previous prime is 11853454441. The next prime is 11853454463. The reversal of 11853454459 is 95445435811.

11853454459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11853454459 - 2⁵ = 11853454427 is a prime.

It is a super-2 number, since 2×11853454459² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11853454429) 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 31 ways as a sum of consecutive naturals, for example, 802957 + ... + 817585.

It is an arithmetic number, because the mean of its divisors is an integer number (489812400).

Almost surely, 2^11853454459 is an apocalyptic number.

11853454459 is a deficient number, since it is larger than the sum of its proper divisors (3820542341).

11853454459 is a wasteful number, since it uses less digits than its factorization.

11853454459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15283.

The product of its digits is 1728000, while the sum is 49.

The spelling of 11853454459 in words is "eleven billion, eight hundred fifty-three million, four hundred fifty-four thousand, four hundred fifty-nine".