61365541233653 has 8 divisors (see below), whose sum is σ = 64615898051520. Its totient is φ = 58117243564800.

The previous prime is 61365541233631. The next prime is 61365541233671. The reversal of 61365541233653 is 35633214556316.

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 61365541233653 - 2¹⁴ = 61365541217269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61365541233595 and 61365541233604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61365541233683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514726073 + ... + 514845278.

It is an arithmetic number, because the mean of its divisors is an integer number (8076987256440).

Almost surely, 2^{61365541233653} is an apocalyptic number.

It is an amenable number.

61365541233653 is a deficient number, since it is larger than the sum of its proper divisors (3250356817867).

61365541233653 is a wasteful number, since it uses less digits than its factorization.

61365541233653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029574507.

The product of its digits is 17496000, while the sum is 53.

Adding to 61365541233653 its reverse (35633214556316), we get a palindrome (96998755789969).

The spelling of 61365541233653 in words is "sixty-one trillion, three hundred sixty-five billion, five hundred forty-one million, two hundred thirty-three thousand, six hundred fifty-three".