32272557561 has 12 divisors (see below), whose sum is σ = 46624845540. Its totient is φ = 21510917280.

The previous prime is 32272557557. The next prime is 32272557587. The reversal of 32272557561 is 16575527223.

32272557561 is a `hidden beast` number, since 3 + 2 + 2 + 72 + 5 + 575 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10551398400 + 21721159161 = 102720^2 + 147381^2 .

It is not a de Polignac number, because 32272557561 - 2² = 32272557557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32272550561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293446 + ... + 388143.

It is an arithmetic number, because the mean of its divisors is an integer number (3885403795).

Almost surely, 2^32272557561 is an apocalyptic number.

It is an amenable number.

32272557561 is a deficient number, since it is larger than the sum of its proper divisors (14352287979).

32272557561 is a wasteful number, since it uses less digits than its factorization.

32272557561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686856 (or 686853 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The spelling of 32272557561 in words is "thirty-two billion, two hundred seventy-two million, five hundred fifty-seven thousand, five hundred sixty-one".