1151345503 has 12 divisors (see below), whose sum is σ = 1461077352. Its totient is φ = 897151920.

The previous prime is 1151345497. The next prime is 1151345513. The reversal of 1151345503 is 3055431511.

It is not a de Polignac number, because 1151345503 - 2⁵ = 1151345471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151345513) 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 11 ways as a sum of consecutive naturals, for example, 1067500 + ... + 1068577.

It is an arithmetic number, because the mean of its divisors is an integer number (121756446).

Almost surely, 2^1151345503 is an apocalyptic number.

1151345503 is a deficient number, since it is larger than the sum of its proper divisors (309731849).

1151345503 is a wasteful number, since it uses less digits than its factorization.

1151345503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136102 (or 2136095 counting only the distinct ones).

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

The square root of 1151345503 is about 33931.4824757186. The cubic root of 1151345503 is about 1048.0979937576.

The spelling of 1151345503 in words is "one billion, one hundred fifty-one million, three hundred forty-five thousand, five hundred three".