1155163632 has 80 divisors (see below), whose sum is σ = 3480134400. Its totient is φ = 330042048.

The previous prime is 1155163627. The next prime is 1155163637. The reversal of 1155163632 is 2363615511.

It is an interprime number because it is at equal distance from previous prime (1155163627) and next prime (1155163637).

It is a junction number, because it is equal to n+sod(n) for n = 1155163593 and 1155163602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155163637) 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, 18618 + ... + 51545.

It is an arithmetic number, because the mean of its divisors is an integer number (43501680).

Almost surely, 2^1155163632 is an apocalyptic number.

1155163632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155163632 is an abundant number, since it is smaller than the sum of its proper divisors (2324970768).

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

1155163632 is an equidigital number, since it uses as much as digits as its factorization.

1155163632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70195 (or 70175 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1155163632 is about 33987.6982451004. The cubic root of 1155163632 is about 1049.2552941692.

The spelling of 1155163632 in words is "one billion, one hundred fifty-five million, one hundred sixty-three thousand, six hundred thirty-two".