29152130581 has 16 divisors (see below), whose sum is σ = 33707560320. Its totient is φ = 24694686720.

The previous prime is 29152130563. The next prime is 29152130591. The reversal of 29152130581 is 18503125192.

It is a cyclic number.

It is not a de Polignac number, because 29152130581 - 2⁷ = 29152130453 is a prime.

It is a super-2 number, since 2×29152130581² (a number of 22 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 29152130581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29152130531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402021 + ... + 1422661.

It is an arithmetic number, because the mean of its divisors is an integer number (2106722520).

Almost surely, 2^29152130581 is an apocalyptic number.

It is an amenable number.

29152130581 is a deficient number, since it is larger than the sum of its proper divisors (4555429739).

29152130581 is a wasteful number, since it uses less digits than its factorization.

29152130581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 29152130581 in words is "twenty-nine billion, one hundred fifty-two million, one hundred thirty thousand, five hundred eighty-one".