32780531505 has 16 divisors (see below), whose sum is σ = 52451299584. Its totient is φ = 17482133760.

The previous prime is 32780531479. The next prime is 32780531533. The reversal of 32780531505 is 50513508723.

It is not a de Polignac number, because 32780531505 - 2⁸ = 32780531249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422920 + ... + 494390.

It is an arithmetic number, because the mean of its divisors is an integer number (3278206224).

Almost surely, 2^32780531505 is an apocalyptic number.

It is an amenable number.

32780531505 is a deficient number, since it is larger than the sum of its proper divisors (19670768079).

32780531505 is a wasteful number, since it uses less digits than its factorization.

32780531505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102056.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 32780531505 in words is "thirty-two billion, seven hundred eighty million, five hundred thirty-one thousand, five hundred five".