11803281145 has 8 divisors (see below), whose sum is σ = 14164574400. Its totient is φ = 9442200240.

The previous prime is 11803281107. The next prime is 11803281209. The reversal of 11803281145 is 54118230811.

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

It is not a de Polignac number, because 11803281145 - 2³¹ = 9655797497 is a prime.

It is a super-2 number, since 2×11803281145² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11803281145.

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, 121260 + ... + 195730.

It is an arithmetic number, because the mean of its divisors is an integer number (1770571800).

Almost surely, 2^11803281145 is an apocalyptic number.

It is an amenable number.

11803281145 is a deficient number, since it is larger than the sum of its proper divisors (2361293255).

11803281145 is an equidigital number, since it uses as much as digits as its factorization.

11803281145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106175.

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 11803281145 in words is "eleven billion, eight hundred three million, two hundred eighty-one thousand, one hundred forty-five".