132505525515553 has 4 divisors (see below), whose sum is σ = 132514288544068. Its totient is φ = 132496762487040.

The previous prime is 132505525515523. The next prime is 132505525515599. The reversal of 132505525515553 is 355515525505231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28628192683024 + 103877332832529 = 5350532^2 + 10192023^2 .

It is a cyclic number.

It is not a de Polignac number, because 132505525515553 - 2⁵ = 132505525515521 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 132505525515553.

It is not an unprimeable number, because it can be changed into a prime (132505525515523) 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, 4381491576 + ... + 4381521817.

It is an arithmetic number, because the mean of its divisors is an integer number (33128572136017).

Almost surely, 2^{132505525515553} is an apocalyptic number.

It is an amenable number.

132505525515553 is a deficient number, since it is larger than the sum of its proper divisors (8763028515).

132505525515553 is an equidigital number, since it uses as much as digits as its factorization.

132505525515553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763028514.

The product of its (nonzero) digits is 14062500, while the sum is 52.

The spelling of 132505525515553 in words is "one hundred thirty-two trillion, five hundred five billion, five hundred twenty-five million, five hundred fifteen thousand, five hundred fifty-three".