1161034494253 has 8 divisors (see below), whose sum is σ = 1164857961848. Its totient is φ = 1157211753984.

The previous prime is 1161034494241. The next prime is 1161034494317. The reversal of 1161034494253 is 3524944301611.

It can be written as a sum of positive squares in 4 ways, for example, as 2369547684 + 1158664946569 = 48678^2 + 1076413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161034494253 - 2¹³ = 1161034486061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161034494353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114151 + ... + 3466987.

It is an arithmetic number, because the mean of its divisors is an integer number (145607245231).

Almost surely, 2^{1161034494253} is an apocalyptic number.

It is an amenable number.

1161034494253 is a deficient number, since it is larger than the sum of its proper divisors (3823467595).

1161034494253 is a wasteful number, since it uses less digits than its factorization.

1161034494253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363663.

The product of its (nonzero) digits is 311040, while the sum is 43.

Adding to 1161034494253 its reverse (3524944301611), we get a palindrome (4685978795864).

The spelling of 1161034494253 in words is "one trillion, one hundred sixty-one billion, thirty-four million, four hundred ninety-four thousand, two hundred fifty-three".