5061156661 has 24 divisors (see below), whose sum is σ = 5654819520. Its totient is φ = 4525825920.

The previous prime is 5061156643. The next prime is 5061156671. The reversal of 5061156661 is 1666511605.

It is not a de Polignac number, because 5061156661 - 2⁷ = 5061156533 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5061156661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5061156671) 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 23 ways as a sum of consecutive naturals, for example, 1899216 + ... + 1901878.

It is an arithmetic number, because the mean of its divisors is an integer number (235617480).

Almost surely, 2^5061156661 is an apocalyptic number.

It is an amenable number.

5061156661 is a deficient number, since it is larger than the sum of its proper divisors (593662859).

5061156661 is a wasteful number, since it uses less digits than its factorization.

5061156661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5061156661 is about 71141.8067032318. The cubic root of 5061156661 is about 1716.9194749096.

The spelling of 5061156661 in words is "five billion, sixty-one million, one hundred fifty-six thousand, six hundred sixty-one".