1161352260345 has 64 divisors (see below), whose sum is σ = 1903824718848. Its totient is φ = 604350720000.

The previous prime is 1161352260323. The next prime is 1161352260353. The reversal of 1161352260345 is 5430622531611.

It is a happy number.

It is not a de Polignac number, because 1161352260345 - 2¹² = 1161352256249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57765795 + ... + 57785895.

It is an arithmetic number, because the mean of its divisors is an integer number (29747261232).

Almost surely, 2^{1161352260345} is an apocalyptic number.

1161352260345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161352260345 is a deficient number, since it is larger than the sum of its proper divisors (742472458503).

1161352260345 is a wasteful number, since it uses less digits than its factorization.

1161352260345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 1161352260345 its reverse (5430622531611), we get a palindrome (6591974791956).

The spelling of 1161352260345 in words is "one trillion, one hundred sixty-one billion, three hundred fifty-two million, two hundred sixty thousand, three hundred forty-five".