11351532021 has 8 divisors (see below), whose sum is σ = 15144516864. Its totient is φ = 7563117600.

The previous prime is 11351532011. The next prime is 11351532037. The reversal of 11351532021 is 12023515311.

11351532021 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 not a de Polignac number, because 11351532021 - 2¹⁸ = 11351269877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11351531982 and 11351532000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351532011) 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, 1136805 + ... + 1146746.

It is an arithmetic number, because the mean of its divisors is an integer number (1893064608).

Almost surely, 2^11351532021 is an apocalyptic number.

It is an amenable number.

11351532021 is a deficient number, since it is larger than the sum of its proper divisors (3792984843).

11351532021 is a wasteful number, since it uses less digits than its factorization.

11351532021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285211.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 11351532021 in words is "eleven billion, three hundred fifty-one million, five hundred thirty-two thousand, twenty-one".