11528301921839 has 16 divisors (see below), whose sum is σ = 12247938367488. Its totient is φ = 10813316525952.

The previous prime is 11528301921821. The next prime is 11528301921841. The reversal of 11528301921839 is 93812910382511.

11528301921839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11528301921839 - 2⁸ = 11528301921583 is a prime.

It is a super-3 number, since 3×11528301921839³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11528301921869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8656082 + ... + 9898704.

It is an arithmetic number, because the mean of its divisors is an integer number (765496147968).

Almost surely, 2^{11528301921839} is an apocalyptic number.

11528301921839 is a deficient number, since it is larger than the sum of its proper divisors (719636445649).

11528301921839 is a wasteful number, since it uses less digits than its factorization.

11528301921839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244494.

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 11528301921839 in words is "eleven trillion, five hundred twenty-eight billion, three hundred one million, nine hundred twenty-one thousand, eight hundred thirty-nine".