352611355561 has 4 divisors (see below), whose sum is σ = 352612554624. Its totient is φ = 352610156500.

The previous prime is 352611355559. The next prime is 352611355589. The reversal of 352611355561 is 165553116253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 352611355561 - 2¹ = 352611355559 is a prime.

It is a super-3 number, since 3×352611355561³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352611355541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175836 + ... + 857986.

It is an arithmetic number, because the mean of its divisors is an integer number (88153138656).

Almost surely, 2^352611355561 is an apocalyptic number.

It is an amenable number.

352611355561 is a deficient number, since it is larger than the sum of its proper divisors (1199063).

352611355561 is an equidigital number, since it uses as much as digits as its factorization.

352611355561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199062.

The product of its digits is 405000, while the sum is 43.

The spelling of 352611355561 in words is "three hundred fifty-two billion, six hundred eleven million, three hundred fifty-five thousand, five hundred sixty-one".