115561023653 has 2 divisors, whose sum is σ = 115561023654. Its totient is φ = 115561023652.

The previous prime is 115561023649. The next prime is 115561023691. The reversal of 115561023653 is 356320165511.

It is an a-pointer prime, because the next prime (115561023691) can be obtained adding 115561023653 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107101071169 + 8459952484 = 327263^2 + 91978^2 .

It is a cyclic number.

It is not a de Polignac number, because 115561023653 - 2² = 115561023649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115561023953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57780511826 + 57780511827.

It is an arithmetic number, because the mean of its divisors is an integer number (57780511827).

Almost surely, 2^115561023653 is an apocalyptic number.

It is an amenable number.

115561023653 is a deficient number, since it is larger than the sum of its proper divisors (1).

115561023653 is an equidigital number, since it uses as much as digits as its factorization.

115561023653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 115561023653 in words is "one hundred fifteen billion, five hundred sixty-one million, twenty-three thousand, six hundred fifty-three".