1151215304320 has 32 divisors (see below), whose sum is σ = 2752124088420. Its totient is φ = 460486121472.

The previous prime is 1151215304303. The next prime is 1151215304339. The reversal of 1151215304320 is 234035121511.

It can be written as a sum of positive squares in 2 ways, for example, as 978152648256 + 173062656064 = 989016^2 + 416008^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 899386317 + ... + 899387596.

Almost surely, 2^{1151215304320} is an apocalyptic number.

1151215304320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151215304320 is an abundant number, since it is smaller than the sum of its proper divisors (1600908784100).

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

1151215304320 is an equidigital number, since it uses as much as digits as its factorization.

1151215304320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798773932 (or 1798773920 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1151215304320 in words is "one trillion, one hundred fifty-one billion, two hundred fifteen million, three hundred four thousand, three hundred twenty".