1157171110 has 16 divisors (see below), whose sum is σ = 2083676400. Its totient is φ = 462697696.

The previous prime is 1157171087. The next prime is 1157171111. The reversal of 1157171110 is 111717511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157171111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9201 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (130229775).

Almost surely, 2^1157171110 is an apocalyptic number.

1157171110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157171110 is a deficient number, since it is larger than the sum of its proper divisors (926505290).

1157171110 is a wasteful number, since it uses less digits than its factorization.

1157171110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42695.

The product of its (nonzero) digits is 245, while the sum is 25.

The square root of 1157171110 is about 34017.2178462613. The cubic root of 1157171110 is about 1049.8627515240.

Adding to 1157171110 its reverse (111717511), we get a palindrome (1268888621).

The spelling of 1157171110 in words is "one billion, one hundred fifty-seven million, one hundred seventy-one thousand, one hundred ten".