1156302812180 has 48 divisors (see below), whose sum is σ = 2441261277840. Its totient is φ = 460044748800.

The previous prime is 1156302812167. The next prime is 1156302812183. The reversal of 1156302812180 is 812182036511.

It can be written as a sum of positive squares in 8 ways, for example, as 151761668356 + 1004541143824 = 389566^2 + 1002268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156302812183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3851090 + ... + 4140470.

It is an arithmetic number, because the mean of its divisors is an integer number (50859609955).

Almost surely, 2^{1156302812180} is an apocalyptic number.

1156302812180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156302812180 is an abundant number, since it is smaller than the sum of its proper divisors (1284958465660).

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

1156302812180 is a wasteful number, since it uses less digits than its factorization.

1156302812180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290460 (or 290458 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

Adding to 1156302812180 its reverse (812182036511), we get a palindrome (1968484848691).

The spelling of 1156302812180 in words is "one trillion, one hundred fifty-six billion, three hundred two million, eight hundred twelve thousand, one hundred eighty".