115663145651 has 2 divisors, whose sum is σ = 115663145652. Its totient is φ = 115663145650.

The previous prime is 115663145627. The next prime is 115663145743. The reversal of 115663145651 is 156541366511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115663145651 - 2¹⁰ = 115663144627 is a prime.

It is not a weakly prime, because it can be changed into another prime (115663145621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57831572825 + 57831572826.

It is an arithmetic number, because the mean of its divisors is an integer number (57831572826).

Almost surely, 2^115663145651 is an apocalyptic number.

115663145651 is a deficient number, since it is larger than the sum of its proper divisors (1).

115663145651 is an equidigital number, since it uses as much as digits as its factorization.

115663145651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 44.

The spelling of 115663145651 in words is "one hundred fifteen billion, six hundred sixty-three million, one hundred forty-five thousand, six hundred fifty-one".