11385453391 has 16 divisors (see below), whose sum is σ = 12915302400. Its totient is φ = 9949786848.

The previous prime is 11385453379. The next prime is 11385453413. The reversal of 11385453391 is 19335458311.

11385453391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11385453391 - 2⁹ = 11385452879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385453091) 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 15 ways as a sum of consecutive naturals, for example, 370290 + ... + 399856.

It is an arithmetic number, because the mean of its divisors is an integer number (807206400).

Almost surely, 2^11385453391 is an apocalyptic number.

11385453391 is a deficient number, since it is larger than the sum of its proper divisors (1529849009).

11385453391 is a wasteful number, since it uses less digits than its factorization.

11385453391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31158.

The product of its digits is 194400, while the sum is 43.

The spelling of 11385453391 in words is "eleven billion, three hundred eighty-five million, four hundred fifty-three thousand, three hundred ninety-one".