11203904381439 has 32 divisors (see below), whose sum is σ = 19225468108800. Its totient is φ = 5632461352800.

The previous prime is 11203904381401. The next prime is 11203904381477. The reversal of 11203904381439 is 93418340930211.

It is an interprime number because it is at equal distance from previous prime (11203904381401) and next prime (11203904381477).

It is not a de Polignac number, because 11203904381439 - 2¹⁷ = 11203904250367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203904381479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782279139 + ... + 782293460.

It is an arithmetic number, because the mean of its divisors is an integer number (600795878400).

Almost surely, 2^{11203904381439} is an apocalyptic number.

11203904381439 is a deficient number, since it is larger than the sum of its proper divisors (8021563727361).

11203904381439 is a wasteful number, since it uses less digits than its factorization.

11203904381439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564572651.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 11203904381439 in words is "eleven trillion, two hundred three billion, nine hundred four million, three hundred eighty-one thousand, four hundred thirty-nine".