11448493331 has 6 divisors (see below), whose sum is σ = 12489652596. Its totient is φ = 10407398600.

The previous prime is 11448493327. The next prime is 11448493337. The reversal of 11448493331 is 13339484411.

It is not a de Polignac number, because 11448493331 - 2² = 11448493327 is a prime.

It is a super-2 number, since 2×11448493331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11448493337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338741 + ... + 371001.

It is an arithmetic number, because the mean of its divisors is an integer number (2081608766).

Almost surely, 2^11448493331 is an apocalyptic number.

11448493331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11448493331 is a deficient number, since it is larger than the sum of its proper divisors (1041159265).

11448493331 is an frugal number, since it uses more digits than its factorization.

11448493331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64533 (or 32272 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The spelling of 11448493331 in words is "eleven billion, four hundred forty-eight million, four hundred ninety-three thousand, three hundred thirty-one".