1155487188325 has 24 divisors (see below), whose sum is σ = 1508290973120. Its totient is φ = 875693462400.

The previous prime is 1155487188301. The next prime is 1155487188329. The reversal of 1155487188325 is 5238817845511.

It is not a de Polignac number, because 1155487188325 - 2¹⁹ = 1155486664037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155487188325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155487188329) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 11750512 + ... + 11848438.

Almost surely, 2^{1155487188325} is an apocalyptic number.

It is an amenable number.

1155487188325 is a deficient number, since it is larger than the sum of its proper divisors (352803784795).

1155487188325 is a wasteful number, since it uses less digits than its factorization.

1155487188325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122797 (or 122792 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 58.

The spelling of 1155487188325 in words is "one trillion, one hundred fifty-five billion, four hundred eighty-seven million, one hundred eighty-eight thousand, three hundred twenty-five".