1153632156 has 12 divisors (see below), whose sum is σ = 2691808392. Its totient is φ = 384544048.

The previous prime is 1153632127. The next prime is 1153632167. The reversal of 1153632156 is 6512363511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48067995 + ... + 48068018.

It is an arithmetic number, because the mean of its divisors is an integer number (224317366).

Almost surely, 2^1153632156 is an apocalyptic number.

It is an amenable number.

1153632156 is an abundant number, since it is smaller than the sum of its proper divisors (1538176236).

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

1153632156 is a wasteful number, since it uses less digits than its factorization.

1153632156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96136020 (or 96136018 counting only the distinct ones).

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

The square root of 1153632156 is about 33965.1609152673. The cubic root of 1153632156 is about 1048.7914003080.

Adding to 1153632156 its reverse (6512363511), we get a palindrome (7665995667).

The spelling of 1153632156 in words is "one billion, one hundred fifty-three million, six hundred thirty-two thousand, one hundred fifty-six".