1155625003 has 8 divisors (see below), whose sum is σ = 1253605248. Its totient is φ = 1058942784.

The previous prime is 1155624991. The next prime is 1155625007. The reversal of 1155625003 is 3005265511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155625003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155625007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 322651 + ... + 326212.

It is an arithmetic number, because the mean of its divisors is an integer number (156700656).

Almost surely, 2^1155625003 is an apocalyptic number.

1155625003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1155625003 is a deficient number, since it is larger than the sum of its proper divisors (97980245).

1155625003 is a wasteful number, since it uses less digits than its factorization.

1155625003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649013.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1155625003 is about 33994.4848909349. The cubic root of 1155625003 is about 1049.3949660206.

The spelling of 1155625003 in words is "one billion, one hundred fifty-five million, six hundred twenty-five thousand, three".