11557733623 has 8 divisors (see below), whose sum is σ = 12064699040. Its totient is φ = 11061010080.

The previous prime is 11557733617. The next prime is 11557733633. The reversal of 11557733623 is 32633775511.

11557733623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11557733623 - 2⁹ = 11557733111 is a prime.

It is a super-2 number, since 2×11557733623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11557733623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557733633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558163 + ... + 2562676.

It is an arithmetic number, because the mean of its divisors is an integer number (1508087380).

Almost surely, 2^11557733623 is an apocalyptic number.

11557733623 is a deficient number, since it is larger than the sum of its proper divisors (506965417).

11557733623 is an equidigital number, since it uses as much as digits as its factorization.

11557733623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120937.

The product of its digits is 396900, while the sum is 43.

The spelling of 11557733623 in words is "eleven billion, five hundred fifty-seven million, seven hundred thirty-three thousand, six hundred twenty-three".