1355522205564 has 60 divisors (see below), whose sum is σ = 3697672510224. Its totient is φ = 432195483456.

The previous prime is 1355522205553. The next prime is 1355522205617. The reversal of 1355522205564 is 4655022255531.

1355522205564 is a `hidden beast` number, since 1 + 3 + 5 + 55 + 22 + 20 + 556 + 4 = 666.

It is a super-3 number, since 3×1355522205564³ (a number of 37 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90942777 + ... + 90957680.

Almost surely, 2^{1355522205564} is an apocalyptic number.

It is an amenable number.

1355522205564 is an abundant number, since it is smaller than the sum of its proper divisors (2342150304660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355522205564 is a wasteful number, since it uses less digits than its factorization.

1355522205564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181900496 (or 181900485 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 1355522205564 in words is "one trillion, three hundred fifty-five billion, five hundred twenty-two million, two hundred five thousand, five hundred sixty-four".