132653523641561 has 8 divisors (see below), whose sum is σ = 142962606066504. Its totient is φ = 122359436248320.

The previous prime is 132653523641533. The next prime is 132653523641581. The reversal of 132653523641561 is 165146325356231.

It can be written as a sum of positive squares in 4 ways, for example, as 39067894336 + 132614455747225 = 197656^2 + 11515835^2 .

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 132653523641561 - 2¹⁴ = 132653523625177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132653523641581) 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, 3748739546 + ... + 3748774931.

It is an arithmetic number, because the mean of its divisors is an integer number (17870325758313).

Almost surely, 2^{132653523641561} is an apocalyptic number.

It is an amenable number.

132653523641561 is a deficient number, since it is larger than the sum of its proper divisors (10309082424943).

132653523641561 is a wasteful number, since it uses less digits than its factorization.

132653523641561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497515851.

The product of its digits is 11664000, while the sum is 53.

Adding to 132653523641561 its reverse (165146325356231), we get a palindrome (297799848997792).

The spelling of 132653523641561 in words is "one hundred thirty-two trillion, six hundred fifty-three billion, five hundred twenty-three million, six hundred forty-one thousand, five hundred sixty-one".