1157837680 has 40 divisors (see below), whose sum is σ = 2694059712. Its totient is φ = 462776064.

The previous prime is 1157837623. The next prime is 1157837689. The reversal of 1157837680 is 867387511.

1157837680 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1157837680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157837689) 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, 114094 + ... + 123826.

Almost surely, 2^1157837680 is an apocalyptic number.

1157837680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157837680 is an abundant number, since it is smaller than the sum of its proper divisors (1536222032).

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

1157837680 is a wasteful number, since it uses less digits than its factorization.

1157837680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233 (or 11227 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1157837680 is about 34027.0139741941. The cubic root of 1157837680 is about 1050.0642984057.

The spelling of 1157837680 in words is "one billion, one hundred fifty-seven million, eight hundred thirty-seven thousand, six hundred eighty".