11388825854 has 16 divisors (see below), whose sum is σ = 19640613888. Its totient is φ = 4851697272.

The previous prime is 11388825829. The next prime is 11388825863. The reversal of 11388825854 is 45852888311.

It is a junction number, because it is equal to n+sod(n) for n = 11388825796 and 11388825805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433254 + ... + 2437929.

It is an arithmetic number, because the mean of its divisors is an integer number (1227538368).

Almost surely, 2^11388825854 is an apocalyptic number.

11388825854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11388825854 is a deficient number, since it is larger than the sum of its proper divisors (8251788034).

11388825854 is a wasteful number, since it uses less digits than its factorization.

11388825854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871359.

The product of its digits is 2457600, while the sum is 53.

The spelling of 11388825854 in words is "eleven billion, three hundred eighty-eight million, eight hundred twenty-five thousand, eight hundred fifty-four".