11148582921 has 8 divisors (see below), whose sum is σ = 16988316864. Its totient is φ = 6370618800.

The previous prime is 11148582911. The next prime is 11148582989. The reversal of 11148582921 is 12928584111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11148582921 - 2⁵ = 11148582889 is a prime.

It is a super-2 number, since 2×11148582921² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11148582911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265442430 + ... + 265442471.

It is an arithmetic number, because the mean of its divisors is an integer number (2123539608).

Almost surely, 2^11148582921 is an apocalyptic number.

It is an amenable number.

11148582921 is a deficient number, since it is larger than the sum of its proper divisors (5839733943).

11148582921 is an equidigital number, since it uses as much as digits as its factorization.

11148582921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530884911.

The product of its digits is 46080, while the sum is 42.

The spelling of 11148582921 in words is "eleven billion, one hundred forty-eight million, five hundred eighty-two thousand, nine hundred twenty-one".