132505021555 has 8 divisors (see below), whose sum is σ = 159066112032. Its totient is φ = 105963959808.

The previous prime is 132505021529. The next prime is 132505021559. The reversal of 132505021555 is 555120505231.

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

It is a cyclic number.

It is not a de Polignac number, because 132505021555 - 2⁹ = 132505021043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132505021555.

It is not an unprimeable number, because it can be changed into a prime (132505021559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992622 + ... + 5019091.

It is an arithmetic number, because the mean of its divisors is an integer number (19883264004).

Almost surely, 2^132505021555 is an apocalyptic number.

132505021555 is a deficient number, since it is larger than the sum of its proper divisors (26561090477).

132505021555 is a wasteful number, since it uses less digits than its factorization.

132505021555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014365.

The product of its (nonzero) digits is 37500, while the sum is 34.

Adding to 132505021555 its reverse (555120505231), we get a palindrome (687625526786).

The spelling of 132505021555 in words is "one hundred thirty-two billion, five hundred five million, twenty-one thousand, five hundred fifty-five".