11421153854 has 16 divisors (see below), whose sum is σ = 18854555760. Its totient is φ = 5145490560.

The previous prime is 11421153853. The next prime is 11421153883. The reversal of 11421153854 is 45835112411.

11421153854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421153853) 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 7 ways as a sum of consecutive naturals, for example, 2294609 + ... + 2299580.

It is an arithmetic number, because the mean of its divisors is an integer number (1178409735).

Almost surely, 2^11421153854 is an apocalyptic number.

11421153854 is a deficient number, since it is larger than the sum of its proper divisors (7433401906).

11421153854 is a wasteful number, since it uses less digits than its factorization.

11421153854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594315.

The product of its digits is 19200, while the sum is 35.

The spelling of 11421153854 in words is "eleven billion, four hundred twenty-one million, one hundred fifty-three thousand, eight hundred fifty-four".