11451351205 has 48 divisors (see below), whose sum is σ = 17558225280. Its totient is φ = 7115568768.

The previous prime is 11451351203. The next prime is 11451351239. The reversal of 11451351205 is 50215315411.

It is not a de Polignac number, because 11451351205 - 2¹ = 11451351203 is a prime.

It is a super-3 number, since 3×11451351205³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451351203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53587 + ... + 160543.

It is an arithmetic number, because the mean of its divisors is an integer number (365796360).

Almost surely, 2^11451351205 is an apocalyptic number.

It is an amenable number.

11451351205 is a deficient number, since it is larger than the sum of its proper divisors (6106874075).

11451351205 is a wasteful number, since it uses less digits than its factorization.

11451351205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107018 (or 107011 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 11451351205 its reverse (50215315411), we get a palindrome (61666666616).

The spelling of 11451351205 in words is "eleven billion, four hundred fifty-one million, three hundred fifty-one thousand, two hundred five".