1161202176125 has 32 divisors (see below), whose sum is σ = 1472628599520. Its totient is φ = 913993113600.

The previous prime is 1161202176107. The next prime is 1161202176161. The reversal of 1161202176125 is 5216712021611.

It can be written as a sum of positive squares in 16 ways, for example, as 563428883161 + 597773292964 = 750619^2 + 773158^2 .

It is not a de Polignac number, because 1161202176125 - 2⁶ = 1161202176061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3576557 + ... + 3887693.

It is an arithmetic number, because the mean of its divisors is an integer number (46019643735).

Almost surely, 2^{1161202176125} is an apocalyptic number.

It is an amenable number.

1161202176125 is a deficient number, since it is larger than the sum of its proper divisors (311426423395).

1161202176125 is an equidigital number, since it uses as much as digits as its factorization.

1161202176125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311634 (or 311624 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

Adding to 1161202176125 its reverse (5216712021611), we get a palindrome (6377914197736).

The spelling of 1161202176125 in words is "one trillion, one hundred sixty-one billion, two hundred two million, one hundred seventy-six thousand, one hundred twenty-five".