8661011153 has 8 divisors (see below), whose sum is σ = 8982247080. Its totient is φ = 8341280640.

The previous prime is 8661011111. The next prime is 8661011173. The reversal of 8661011153 is 3511101668.

It can be written as a sum of positive squares in 4 ways, for example, as 3986280769 + 4674730384 = 63137^2 + 68372^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8661011153 - 2¹² = 8661007057 is a prime.

It is a super-2 number, since 2×8661011153² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8661011173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364628 + ... + 387653.

It is an arithmetic number, because the mean of its divisors is an integer number (1122780885).

Almost surely, 2^8661011153 is an apocalyptic number.

It is an amenable number.

8661011153 is a deficient number, since it is larger than the sum of its proper divisors (321235927).

8661011153 is a wasteful number, since it uses less digits than its factorization.

8661011153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752707.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 8661011153 is about 93064.5536872122. The cubic root of 8661011153 is about 2053.6331490340.

The spelling of 8661011153 in words is "eight billion, six hundred sixty-one million, eleven thousand, one hundred fifty-three".