61126562216 has 64 divisors (see below), whose sum is σ = 117315216000. Its totient is φ = 29851718400.

The previous prime is 61126562179. The next prime is 61126562269. The reversal of 61126562216 is 61226562116.

It is a self number, because there is not a number n which added to its sum of digits gives 61126562216.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44261846 + ... + 44263226.

It is an arithmetic number, because the mean of its divisors is an integer number (1833050250).

Almost surely, 2^61126562216 is an apocalyptic number.

It is an amenable number.

61126562216 is a deficient number, since it is larger than the sum of its proper divisors (56188653784).

61126562216 is a wasteful number, since it uses less digits than its factorization.

61126562216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2126 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 61126562216 in words is "sixty-one billion, one hundred twenty-six million, five hundred sixty-two thousand, two hundred sixteen".