11621430733 has 16 divisors (see below), whose sum is σ = 13155512832. Its totient is φ = 10173870000.

The previous prime is 11621430649. The next prime is 11621430749. The reversal of 11621430733 is 33703412611.

It is a cyclic number.

It is not a de Polignac number, because 11621430733 - 2⁹ = 11621430221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11621430695 and 11621430704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621430773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139443 + ... + 206608.

It is an arithmetic number, because the mean of its divisors is an integer number (822219552).

Almost surely, 2^11621430733 is an apocalyptic number.

It is an amenable number.

11621430733 is a deficient number, since it is larger than the sum of its proper divisors (1534082099).

11621430733 is a wasteful number, since it uses less digits than its factorization.

11621430733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346176.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 11621430733 in words is "eleven billion, six hundred twenty-one million, four hundred thirty thousand, seven hundred thirty-three".