1155019048 has 16 divisors (see below), whose sum is σ = 2166708960. Its totient is φ = 577230000.

The previous prime is 1155019043. The next prime is 1155019051. The reversal of 1155019048 is 8409105511.

It is not an unprimeable number, because it can be changed into a prime (1155019043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16828 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (135419310).

Almost surely, 2^1155019048 is an apocalyptic number.

It is an amenable number.

1155019048 is a deficient number, since it is larger than the sum of its proper divisors (1011689912).

1155019048 is a wasteful number, since it uses less digits than its factorization.

1155019048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69888 (or 69884 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1155019048 is about 33985.5711736613. The cubic root of 1155019048 is about 1049.2115162856.

The spelling of 1155019048 in words is "one billion, one hundred fifty-five million, nineteen thousand, forty-eight".