9811650025745 has 16 divisors (see below), whose sum is σ = 11793683289360. Its totient is φ = 7836185597184.

The previous prime is 9811650025711. The next prime is 9811650025753. The reversal of 9811650025745 is 5475200561189.

It can be written as a sum of positive squares in 8 ways, for example, as 191584791616 + 9620065234129 = 437704^2 + 3101623^2 .

It is a cyclic number.

It is not a de Polignac number, because 9811650025745 - 2¹⁴ = 9811650009361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94438967 + ... + 94542803.

It is an arithmetic number, because the mean of its divisors is an integer number (737105205585).

Almost surely, 2^{9811650025745} is an apocalyptic number.

It is an amenable number.

9811650025745 is a deficient number, since it is larger than the sum of its proper divisors (1982033263615).

9811650025745 is a wasteful number, since it uses less digits than its factorization.

9811650025745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135284.

The product of its (nonzero) digits is 3024000, while the sum is 53.

The spelling of 9811650025745 in words is "nine trillion, eight hundred eleven billion, six hundred fifty million, twenty-five thousand, seven hundred forty-five".