1155788632 has 8 divisors (see below), whose sum is σ = 2167103700. Its totient is φ = 577894312.

The previous prime is 1155788629. The next prime is 1155788651. The reversal of 1155788632 is 2368875511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72236782 + ... + 72236797.

Almost surely, 2^1155788632 is an apocalyptic number.

It is an amenable number.

1155788632 is a deficient number, since it is larger than the sum of its proper divisors (1011315068).

1155788632 is a wasteful number, since it uses less digits than its factorization.

1155788632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144473585 (or 144473581 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 1155788632 is about 33996.8915049597. The cubic root of 1155788632 is about 1049.4444928552. Note that the first 4 decimals are identical.

The spelling of 1155788632 in words is "one billion, one hundred fifty-five million, seven hundred eighty-eight thousand, six hundred thirty-two".