1159357780 has 48 divisors (see below), whose sum is σ = 2903443200. Its totient is φ = 380210688.

The previous prime is 1159357763. The next prime is 1159357807. The reversal of 1159357780 is 877539511.

It is a super-2 number, since 2×1159357780² = 2688220924093056800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1159357780.

It is a congruent number.

It is an unprimeable number.

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, 176805 + ... + 183244.

It is an arithmetic number, because the mean of its divisors is an integer number (60488400).

Almost surely, 2^1159357780 is an apocalyptic number.

1159357780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1159357780 is an abundant number, since it is smaller than the sum of its proper divisors (1744085420).

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

1159357780 is a wasteful number, since it uses less digits than its factorization.

1159357780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360088 (or 360086 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 46.

The square root of 1159357780 is about 34049.3433123166. The cubic root of 1159357780 is about 1050.5236330017.

The spelling of 1159357780 in words is "one billion, one hundred fifty-nine million, three hundred fifty-seven thousand, seven hundred eighty".