11832181601 has 4 divisors (see below), whose sum is σ = 11891640000. Its totient is φ = 11772723204.

The previous prime is 11832181597. The next prime is 11832181633. The reversal of 11832181601 is 10618123811.

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 11832181601 - 2² = 11832181597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11832181661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29728901 + ... + 29729298.

It is an arithmetic number, because the mean of its divisors is an integer number (2972910000).

Almost surely, 2^11832181601 is an apocalyptic number.

It is an amenable number.

11832181601 is a deficient number, since it is larger than the sum of its proper divisors (59458399).

11832181601 is an equidigital number, since it uses as much as digits as its factorization.

11832181601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59458398.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 11832181601 in words is "eleven billion, eight hundred thirty-two million, one hundred eighty-one thousand, six hundred one".