11313315456 has 64 divisors (see below), whose sum is σ = 30388737600. Its totient is φ = 3728721920.

The previous prime is 11313315439. The next prime is 11313315479. The reversal of 11313315456 is 65451331311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11313315456² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131340 + ... + 199691.

It is an arithmetic number, because the mean of its divisors is an integer number (474824025).

Almost surely, 2^11313315456 is an apocalyptic number.

11313315456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11313315456 is an abundant number, since it is smaller than the sum of its proper divisors (19075422144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11313315456 is an equidigital number, since it uses as much as digits as its factorization.

11313315456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331137 (or 331125 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

Adding to 11313315456 its reverse (65451331311), we get a palindrome (76764646767).

The spelling of 11313315456 in words is "eleven billion, three hundred thirteen million, three hundred fifteen thousand, four hundred fifty-six".