12311900824541 has 4 divisors (see below), whose sum is σ = 12959895604800. Its totient is φ = 11663906044284.

The previous prime is 12311900824537. The next prime is 12311900824583. The reversal of 12311900824541 is 14542800911321.

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 12311900824541 - 2² = 12311900824537 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 (12311900824591) 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, 323997390101 + ... + 323997390138.

It is an arithmetic number, because the mean of its divisors is an integer number (3239973901200).

Almost surely, 2^{12311900824541} is an apocalyptic number.

It is an amenable number.

12311900824541 is a deficient number, since it is larger than the sum of its proper divisors (647994780259).

12311900824541 is an equidigital number, since it uses as much as digits as its factorization.

12311900824541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647994780258.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 12311900824541 in words is "twelve trillion, three hundred eleven billion, nine hundred million, eight hundred twenty-four thousand, five hundred forty-one".