11343631621 has 8 divisors (see below), whose sum is σ = 12965854464. Its totient is φ = 9721834800.

The previous prime is 11343631603. The next prime is 11343631681. The reversal of 11343631621 is 12613634311.

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

It is a cyclic number.

It is not a de Polignac number, because 11343631621 - 2²³ = 11335243013 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 (11343631601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47245 + ... + 157858.

It is an arithmetic number, because the mean of its divisors is an integer number (1620731808).

Almost surely, 2^11343631621 is an apocalyptic number.

It is an amenable number.

11343631621 is a deficient number, since it is larger than the sum of its proper divisors (1622222843).

11343631621 is an equidigital number, since it uses as much as digits as its factorization.

11343631621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213011.

The product of its digits is 7776, while the sum is 31.

The spelling of 11343631621 in words is "eleven billion, three hundred forty-three million, six hundred thirty-one thousand, six hundred twenty-one".