11561462452 has 12 divisors (see below), whose sum is σ = 20266682436. Its totient is φ = 5770981760.

The previous prime is 11561462443. The next prime is 11561462491. The reversal of 11561462452 is 25426416511.

It can be written as a sum of positive squares in 2 ways, for example, as 6953224996 + 4608237456 = 83386^2 + 67884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434699 + ... + 2439442.

It is an arithmetic number, because the mean of its divisors is an integer number (1688890203).

Almost surely, 2^11561462452 is an apocalyptic number.

It is an amenable number.

11561462452 is a deficient number, since it is larger than the sum of its proper divisors (8705219984).

11561462452 is a wasteful number, since it uses less digits than its factorization.

11561462452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874738 (or 4874736 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

Adding to 11561462452 its reverse (25426416511), we get a palindrome (36987878963).

The spelling of 11561462452 in words is "eleven billion, five hundred sixty-one million, four hundred sixty-two thousand, four hundred fifty-two".