56611215010 has 16 divisors (see below), whose sum is σ = 116457356736. Its totient is φ = 19409559408.

The previous prime is 56611214999. The next prime is 56611215013. The reversal of 56611215010 is 1051211665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56611215010.

It is not an unprimeable number, because it can be changed into a prime (56611215013) 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 7 ways as a sum of consecutive naturals, for example, 404365752 + ... + 404365891.

It is an arithmetic number, because the mean of its divisors is an integer number (7278584796).

Almost surely, 2^56611215010 is an apocalyptic number.

56611215010 is an abundant number, since it is smaller than the sum of its proper divisors (59846141726).

56611215010 is a wasteful number, since it uses less digits than its factorization.

56611215010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808731657.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 56611215010 its reverse (1051211665), we get a palindrome (57662426675).

The spelling of 56611215010 in words is "fifty-six billion, six hundred eleven million, two hundred fifteen thousand, ten".