1157685183 has 16 divisors (see below), whose sum is σ = 1718519040. Its totient is φ = 770246712.

The previous prime is 1157685163. The next prime is 1157685223. The reversal of 1157685183 is 3815867511.

It is not a de Polignac number, because 1157685183 - 2¹² = 1157681087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157685103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29041 + ... + 56202.

It is an arithmetic number, because the mean of its divisors is an integer number (107407440).

Almost surely, 2^1157685183 is an apocalyptic number.

1157685183 is a deficient number, since it is larger than the sum of its proper divisors (560833857).

1157685183 is an equidigital number, since it uses as much as digits as its factorization.

1157685183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85755 (or 85749 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 1157685183 is about 34024.7730778620. The cubic root of 1157685183 is about 1050.0181956031.

The spelling of 1157685183 in words is "one billion, one hundred fifty-seven million, six hundred eighty-five thousand, one hundred eighty-three".