32507755257561 has 16 divisors (see below), whose sum is σ = 43987182148416. Its totient is φ = 21350755028736.

The previous prime is 32507755257557. The next prime is 32507755257577. The reversal of 32507755257561 is 16575255770523.

It is a happy number.

It is not a de Polignac number, because 32507755257561 - 2² = 32507755257557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32507755257495 and 32507755257504.

It is not an unprimeable number, because it can be changed into a prime (32502755257561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83859420 + ... + 84246173.

It is an arithmetic number, because the mean of its divisors is an integer number (2749198884276).

Almost surely, 2^{32507755257561} is an apocalyptic number.

It is an amenable number.

32507755257561 is a deficient number, since it is larger than the sum of its proper divisors (11479426890855).

32507755257561 is a wasteful number, since it uses less digits than its factorization.

32507755257561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168106552.

The product of its (nonzero) digits is 77175000, while the sum is 60.

The spelling of 32507755257561 in words is "thirty-two trillion, five hundred seven billion, seven hundred fifty-five million, two hundred fifty-seven thousand, five hundred sixty-one".