61265656156 has 12 divisors (see below), whose sum is σ = 107249294880. Its totient is φ = 30623000480.

The previous prime is 61265656141. The next prime is 61265656183. The reversal of 61265656156 is 65165656216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442865 + ... + 2467816.

It is an arithmetic number, because the mean of its divisors is an integer number (8937441240).

Almost surely, 2^61265656156 is an apocalyptic number.

It is an amenable number.

61265656156 is a deficient number, since it is larger than the sum of its proper divisors (45983638724).

61265656156 is a wasteful number, since it uses less digits than its factorization.

61265656156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913804 (or 4913802 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 49.

The spelling of 61265656156 in words is "sixty-one billion, two hundred sixty-five million, six hundred fifty-six thousand, one hundred fifty-six".