11620334533 has 4 divisors (see below), whose sum is σ = 11621091168. Its totient is φ = 11619577900.

The previous prime is 11620334503. The next prime is 11620334549. The reversal of 11620334533 is 33543302611.

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 a de Polignac number, because none of the positive numbers 2^k-11620334533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11620334495 and 11620334504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620334503) 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, 354793 + ... + 386158.

It is an arithmetic number, because the mean of its divisors is an integer number (2905272792).

Almost surely, 2^11620334533 is an apocalyptic number.

It is an amenable number.

11620334533 is a deficient number, since it is larger than the sum of its proper divisors (756635).

11620334533 is an equidigital number, since it uses as much as digits as its factorization.

11620334533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756634.

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 11620334533 in words is "eleven billion, six hundred twenty million, three hundred thirty-four thousand, five hundred thirty-three".