1161552012304 has 10 divisors (see below), whose sum is σ = 2250507023870. Its totient is φ = 580776006144.

The previous prime is 1161552012293. The next prime is 1161552012307. The reversal of 1161552012304 is 4032102551611.

It can be written as a sum of positive squares in only one way, i.e., 1153793925904 + 7758086400 = 1074148^2 + 88080^2 .

It is not an unprimeable number, because it can be changed into a prime (1161552012307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36298500369 + ... + 36298500400.

It is an arithmetic number, because the mean of its divisors is an integer number (225050702387).

Almost surely, 2^{1161552012304} is an apocalyptic number.

It is an amenable number.

1161552012304 is a deficient number, since it is larger than the sum of its proper divisors (1088955011566).

1161552012304 is an equidigital number, since it uses as much as digits as its factorization.

1161552012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72597000777 (or 72597000771 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1161552012304 its reverse (4032102551611), we get a palindrome (5193654563915).

The spelling of 1161552012304 in words is "one trillion, one hundred sixty-one billion, five hundred fifty-two million, twelve thousand, three hundred four".