1157171104 has 12 divisors (see below), whose sum is σ = 2278180674. Its totient is φ = 578585536.

The previous prime is 1157171087. The next prime is 1157171111. The reversal of 1157171104 is 4011717511.

It can be written as a sum of positive squares in only one way, i.e., 942490000 + 214681104 = 30700^2 + 14652^2 .

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 as a sum of consecutive naturals, namely, 18080767 + ... + 18080830.

Almost surely, 2^1157171104 is an apocalyptic number.

It is an amenable number.

1157171104 is a deficient number, since it is larger than the sum of its proper divisors (1121009570).

1157171104 is an equidigital number, since it uses as much as digits as its factorization.

1157171104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36161607 (or 36161599 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 28.

The square root of 1157171104 is about 34017.2177580707. The cubic root of 1157171104 is about 1049.8627497095.

Adding to 1157171104 its reverse (4011717511), we get a palindrome (5168888615).

The spelling of 1157171104 in words is "one billion, one hundred fifty-seven million, one hundred seventy-one thousand, one hundred four".