1155192838 has 16 divisors (see below), whose sum is σ = 1755187056. Its totient is φ = 570142720.

The previous prime is 1155192821. The next prime is 1155192847. The reversal of 1155192838 is 8382915511.

It is a junction number, because it is equal to n+sod(n) for n = 1155192794 and 1155192803.

It is a congruent number.

It is an unprimeable number.

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, 255558 + ... + 260038.

It is an arithmetic number, because the mean of its divisors is an integer number (109699191).

Almost surely, 2^1155192838 is an apocalyptic number.

1155192838 is a deficient number, since it is larger than the sum of its proper divisors (599994218).

1155192838 is a wasteful number, since it uses less digits than its factorization.

1155192838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119.

The product of its digits is 86400, while the sum is 43.

The square root of 1155192838 is about 33988.1278978410. The cubic root of 1155192838 is about 1049.2641368679.

The spelling of 1155192838 in words is "one billion, one hundred fifty-five million, one hundred ninety-two thousand, eight hundred thirty-eight".