1155432601600 has 72 divisors (see below), whose sum is σ = 2864773400580. Its totient is φ = 462173020160.

The previous prime is 1155432601597. The next prime is 1155432601607. The reversal of 1155432601600 is 61062345511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155432601607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11232322 + ... + 11334721.

Almost surely, 2^{1155432601600} is an apocalyptic number.

1155432601600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155432601600 is an abundant number, since it is smaller than the sum of its proper divisors (1709340798980).

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

1155432601600 is an equidigital number, since it uses as much as digits as its factorization.

1155432601600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567075 (or 22567050 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1155432601600 in words is "one trillion, one hundred fifty-five billion, four hundred thirty-two million, six hundred one thousand, six hundred".