11391467488 has 24 divisors (see below), whose sum is σ = 22475004552. Its totient is φ = 5683529856.

The previous prime is 11391467459. The next prime is 11391467519. The reversal of 11391467488 is 88476419311.

It is a happy number.

It is a super-2 number, since 2×11391467488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 366195 + ... + 396082.

It is an arithmetic number, because the mean of its divisors is an integer number (936458523).

Almost surely, 2^11391467488 is an apocalyptic number.

It is an amenable number.

11391467488 is a deficient number, since it is larger than the sum of its proper divisors (11083537064).

11391467488 is an equidigital number, since it uses as much as digits as its factorization.

11391467488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762754 (or 762746 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 11391467488 in words is "eleven billion, three hundred ninety-one million, four hundred sixty-seven thousand, four hundred eighty-eight".