1350432006521 has 16 divisors (see below), whose sum is σ = 1502730851328. Its totient is φ = 1205130916800.

The previous prime is 1350432006509. The next prime is 1350432006529. The reversal of 1350432006521 is 1256002340531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1350432006521 - 2¹⁰ = 1350432005497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350432006529) 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, 1278725 + ... + 2082306.

It is an arithmetic number, because the mean of its divisors is an integer number (93920678208).

Almost surely, 2^{1350432006521} is an apocalyptic number.

It is an amenable number.

1350432006521 is a deficient number, since it is larger than the sum of its proper divisors (152298844807).

1350432006521 is a wasteful number, since it uses less digits than its factorization.

1350432006521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362072.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 1350432006521 in words is "one trillion, three hundred fifty billion, four hundred thirty-two million, six thousand, five hundred twenty-one".