32006257081509 has 4 divisors (see below), whose sum is σ = 42675009442016. Its totient is φ = 21337504721004.

The previous prime is 32006257081483. The next prime is 32006257081541. The reversal of 32006257081509 is 90518075260023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32006257081509 - 2¹⁹ = 32006256557221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32006257081609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334376180249 + ... + 5334376180254.

It is an arithmetic number, because the mean of its divisors is an integer number (10668752360504).

Almost surely, 2^{32006257081509} is an apocalyptic number.

It is an amenable number.

32006257081509 is a deficient number, since it is larger than the sum of its proper divisors (10668752360507).

32006257081509 is a wasteful number, since it uses less digits than its factorization.

32006257081509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668752360506.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 32006257081509 in words is "thirty-two trillion, six billion, two hundred fifty-seven million, eighty-one thousand, five hundred nine".