11833620481 has 4 divisors (see below), whose sum is σ = 12000291264. Its totient is φ = 11666949700.

The previous prime is 11833620479. The next prime is 11833620493. The reversal of 11833620481 is 18402633811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11833620481 - 2¹ = 11833620479 is a prime.

It is a super-2 number, since 2×11833620481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11833620481.

It is not an unprimeable number, because it can be changed into a prime (11833620181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83335285 + ... + 83335426.

It is an arithmetic number, because the mean of its divisors is an integer number (3000072816).

Almost surely, 2^11833620481 is an apocalyptic number.

It is an amenable number.

11833620481 is a deficient number, since it is larger than the sum of its proper divisors (166670783).

11833620481 is an equidigital number, since it uses as much as digits as its factorization.

11833620481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166670782.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 11833620481 in words is "eleven billion, eight hundred thirty-three million, six hundred twenty thousand, four hundred eighty-one".