32500515561 has 8 divisors (see below), whose sum is σ = 45883080864. Its totient is φ = 20392480320.

The previous prime is 32500515533. The next prime is 32500515589. The reversal of 32500515561 is 16551500523.

It is an interprime number because it is at equal distance from previous prime (32500515533) and next prime (32500515589).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32500515561 - 2⁵ = 32500515529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32500515511) 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, 318632455 + ... + 318632556.

It is an arithmetic number, because the mean of its divisors is an integer number (5735385108).

Almost surely, 2^32500515561 is an apocalyptic number.

It is an amenable number.

32500515561 is a deficient number, since it is larger than the sum of its proper divisors (13382565303).

32500515561 is a wasteful number, since it uses less digits than its factorization.

32500515561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637265031.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 32500515561 in words is "thirty-two billion, five hundred million, five hundred fifteen thousand, five hundred sixty-one".