1157800317 has 16 divisors (see below), whose sum is σ = 1665385920. Its totient is φ = 712754432.

The previous prime is 1157800309. The next prime is 1157800331. The reversal of 1157800317 is 7130087511.

It is a cyclic number.

It is not a de Polignac number, because 1157800317 - 2³ = 1157800309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157800387) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 211467 + ... + 216872.

It is an arithmetic number, because the mean of its divisors is an integer number (104086620).

Almost surely, 2^1157800317 is an apocalyptic number.

1157800317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1157800317 is a deficient number, since it is larger than the sum of its proper divisors (507585603).

1157800317 is a wasteful number, since it uses less digits than its factorization.

1157800317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428412.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 1157800317 is about 34026.4649500944. The cubic root of 1157800317 is about 1050.0530032201.

Adding to 1157800317 its reverse (7130087511), we get a palindrome (8287887828).

The spelling of 1157800317 in words is "one billion, one hundred fifty-seven million, eight hundred thousand, three hundred seventeen".