1161580338625 has 16 divisors (see below), whose sum is σ = 1656745444224. Its totient is φ = 796512231600.

The previous prime is 1161580338623. The next prime is 1161580338691. The reversal of 1161580338625 is 5268330851611.

It is not a de Polignac number, because 1161580338625 - 2¹ = 1161580338623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161580338623) 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, 663759319 + ... + 663761068.

It is an arithmetic number, because the mean of its divisors is an integer number (103546590264).

Almost surely, 2^{1161580338625} is an apocalyptic number.

It is an amenable number.

1161580338625 is a deficient number, since it is larger than the sum of its proper divisors (495165105599).

1161580338625 is an equidigital number, since it uses as much as digits as its factorization.

1161580338625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327520409 (or 1327520399 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 1161580338625 in words is "one trillion, one hundred sixty-one billion, five hundred eighty million, three hundred thirty-eight thousand, six hundred twenty-five".