355575532561 has 16 divisors (see below), whose sum is σ = 366207860736. Its totient is φ = 345074110416.

The previous prime is 355575532517. The next prime is 355575532579. The reversal of 355575532561 is 165235575553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355575532561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355575532499 and 355575532508.

It is not an unprimeable number, because it can be changed into a prime (355575232561) 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, 11128170 + ... + 11160076.

It is an arithmetic number, because the mean of its divisors is an integer number (22887991296).

Almost surely, 2^355575532561 is an apocalyptic number.

It is an amenable number.

355575532561 is a deficient number, since it is larger than the sum of its proper divisors (10632328175).

355575532561 is a wasteful number, since it uses less digits than its factorization.

355575532561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33948.

The product of its digits is 11812500, while the sum is 52.

The spelling of 355575532561 in words is "three hundred fifty-five billion, five hundred seventy-five million, five hundred thirty-two thousand, five hundred sixty-one".