1161301656053 has 48 divisors (see below), whose sum is σ = 1503518293440. Its totient is φ = 886653331200.

The previous prime is 1161301656049. The next prime is 1161301656079. The reversal of 1161301656053 is 3506561031611.

It is not a de Polignac number, because 1161301656053 - 2² = 1161301656049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161301655998 and 1161301656016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161301656013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21712778 + ... + 21766196.

It is an arithmetic number, because the mean of its divisors is an integer number (31323297780).

Almost surely, 2^{1161301656053} is an apocalyptic number.

It is an amenable number.

1161301656053 is a deficient number, since it is larger than the sum of its proper divisors (342216637387).

1161301656053 is a wasteful number, since it uses less digits than its factorization.

1161301656053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54258 (or 54251 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

Adding to 1161301656053 its reverse (3506561031611), we get a palindrome (4667862687664).

The spelling of 1161301656053 in words is "one trillion, one hundred sixty-one billion, three hundred one million, six hundred fifty-six thousand, fifty-three".