1157000680 has 32 divisors (see below), whose sum is σ = 2839911840. Its totient is φ = 420727360.

The previous prime is 1157000657. The next prime is 1157000729. The reversal of 1157000680 is 860007511.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1314334 + ... + 1315213.

It is an arithmetic number, because the mean of its divisors is an integer number (88747245).

Almost surely, 2^1157000680 is an apocalyptic number.

1157000680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157000680 is an abundant number, since it is smaller than the sum of its proper divisors (1682911160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157000680 is a wasteful number, since it uses less digits than its factorization.

1157000680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629569 (or 2629565 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1157000680 is about 34014.7126990660. The cubic root of 1157000680 is about 1049.8112071752.

The spelling of 1157000680 in words is "one billion, one hundred fifty-seven million, six hundred eighty", and thus it is an aban number.