11509390454023 has 16 divisors (see below), whose sum is σ = 15104599914240. Its totient is φ = 8496337449600.

The previous prime is 11509390453999. The next prime is 11509390454033. The reversal of 11509390454023 is 32045409390511.

It is not a de Polignac number, because 11509390454023 - 2⁵ = 11509390453991 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 (11509390454033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3933488098 + ... + 3933491023.

It is an arithmetic number, because the mean of its divisors is an integer number (944037494640).

Almost surely, 2^{11509390454023} is an apocalyptic number.

11509390454023 is a deficient number, since it is larger than the sum of its proper divisors (3595209460217).

11509390454023 is a wasteful number, since it uses less digits than its factorization.

11509390454023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866979158.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 11509390454023 in words is "eleven trillion, five hundred nine billion, three hundred ninety million, four hundred fifty-four thousand, twenty-three".