4088752015661 has 2 divisors, whose sum is σ = 4088752015662. Its totient is φ = 4088752015660.

The previous prime is 4088752015651. The next prime is 4088752015681. The reversal of 4088752015661 is 1665102578804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3669929478436 + 418822537225 = 1915706^2 + 647165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4088752015661 - 2¹⁰ = 4088752014637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4088752015631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044376007830 + 2044376007831.

It is an arithmetic number, because the mean of its divisors is an integer number (2044376007831).

Almost surely, 2^{4088752015661} is an apocalyptic number.

It is an amenable number.

4088752015661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4088752015661 is an equidigital number, since it uses as much as digits as its factorization.

4088752015661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 4088752015661 in words is "four trillion, eighty-eight billion, seven hundred fifty-two million, fifteen thousand, six hundred sixty-one".