11552020345 has 16 divisors (see below), whose sum is σ = 14120824320. Its totient is φ = 9069871104.

The previous prime is 11552020289. The next prime is 11552020357. The reversal of 11552020345 is 54302025511.

It is a cyclic number.

It is not a de Polignac number, because 11552020345 - 2¹⁷ = 11551889273 is a prime.

It is an unprimeable number.

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, 146809 + ... + 211321.

It is an arithmetic number, because the mean of its divisors is an integer number (882551520).

Almost surely, 2^11552020345 is an apocalyptic number.

It is an amenable number.

11552020345 is a deficient number, since it is larger than the sum of its proper divisors (2568803975).

11552020345 is an equidigital number, since it uses as much as digits as its factorization.

11552020345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65184.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 11552020345 its reverse (54302025511), we get a palindrome (65854045856).

The spelling of 11552020345 in words is "eleven billion, five hundred fifty-two million, twenty thousand, three hundred forty-five".