1161305462245 has 8 divisors (see below), whose sum is σ = 1400640497784. Its totient is φ = 924328407744.

The previous prime is 1161305462237. The next prime is 1161305462269. The reversal of 1161305462245 is 5422645031611.

It can be written as a sum of positive squares in 4 ways, for example, as 677159472609 + 484145989636 = 822897^2 + 695806^2 .

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 1161305462245 - 2³ = 1161305462237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161305462198 and 1161305462207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589494174 + ... + 589496143.

It is an arithmetic number, because the mean of its divisors is an integer number (175080062223).

Almost surely, 2^{1161305462245} is an apocalyptic number.

It is an amenable number.

1161305462245 is a deficient number, since it is larger than the sum of its proper divisors (239335035539).

1161305462245 is a wasteful number, since it uses less digits than its factorization.

1161305462245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178990519.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1161305462245 in words is "one trillion, one hundred sixty-one billion, three hundred five million, four hundred sixty-two thousand, two hundred forty-five".