1827563361156 has 144 divisors (see below), whose sum is σ = 5464568403840. Its totient is φ = 509568744960.

The previous prime is 1827563361149. The next prime is 1827563361199. The reversal of 1827563361156 is 6511633657281.

1827563361156 is a `hidden beast` number, since 1 + 8 + 2 + 7 + 563 + 3 + 61 + 15 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4263505 + ... + 4672536.

Almost surely, 2^{1827563361156} is an apocalyptic number.

It is an amenable number.

1827563361156 is an abundant number, since it is smaller than the sum of its proper divisors (3637005042684).

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

1827563361156 is a wasteful number, since it uses less digits than its factorization.

1827563361156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936106 (or 8936101 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 1827563361156 in words is "one trillion, eight hundred twenty-seven billion, five hundred sixty-three million, three hundred sixty-one thousand, one hundred fifty-six".