8111656258634 has 8 divisors (see below), whose sum is σ = 12167539417188. Its totient is φ = 4055809786240.

The previous prime is 8111656258609. The next prime is 8111656258637. The reversal of 8111656258634 is 4368526561118.

It can be written as a sum of positive squares in 2 ways, for example, as 6196878358609 + 1914777900025 = 2489353^2 + 1383755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8111656258634² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8111656258634.

It is not an unprimeable number, because it can be changed into a prime (8111656258637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8611937 + ... + 9507300.

Almost surely, 2^{8111656258634} is an apocalyptic number.

8111656258634 is a deficient number, since it is larger than the sum of its proper divisors (4055883158554).

8111656258634 is a wasteful number, since it uses less digits than its factorization.

8111656258634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343080.

The product of its digits is 8294400, while the sum is 56.

The spelling of 8111656258634 in words is "eight trillion, one hundred eleven billion, six hundred fifty-six million, two hundred fifty-eight thousand, six hundred thirty-four".