1156171048 has 16 divisors (see below), whose sum is σ = 2213945280. Its totient is φ = 565785648.

The previous prime is 1156171031. The next prime is 1156171063. The reversal of 1156171048 is 8401716511.

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 3 ways as a sum of consecutive naturals, for example, 1537086 + ... + 1537837.

It is an arithmetic number, because the mean of its divisors is an integer number (138371580).

Almost surely, 2^1156171048 is an apocalyptic number.

It is an amenable number.

1156171048 is a deficient number, since it is larger than the sum of its proper divisors (1057774232).

1156171048 is a wasteful number, since it uses less digits than its factorization.

1156171048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074976 (or 3074972 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 1156171048 is about 34002.5153187231. The cubic root of 1156171048 is about 1049.5602233905.

Adding to 1156171048 its reverse (8401716511), we get a palindrome (9557887559).

The spelling of 1156171048 in words is "one billion, one hundred fifty-six million, one hundred seventy-one thousand, forty-eight".