11304913997 has 8 divisors (see below), whose sum is σ = 12890671416. Its totient is φ = 9821463552.

The previous prime is 11304913993. The next prime is 11304914053. The reversal of 11304913997 is 79931940311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3517557481 + 7787356516 = 59309^2 + 88246^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11304913997 - 2² = 11304913993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304913993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25576508 + ... + 25576949.

It is an arithmetic number, because the mean of its divisors is an integer number (1611333927).

Almost surely, 2^11304913997 is an apocalyptic number.

11304913997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11304913997 is a deficient number, since it is larger than the sum of its proper divisors (1585757419).

11304913997 is a wasteful number, since it uses less digits than its factorization.

11304913997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51153487.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 11304913997 in words is "eleven billion, three hundred four million, nine hundred thirteen thousand, nine hundred ninety-seven".