61265656183 has 2 divisors, whose sum is σ = 61265656184. Its totient is φ = 61265656182.

The previous prime is 61265656141. The next prime is 61265656213. The reversal of 61265656183 is 38165656216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61265656183 is a prime.

It is a super-2 number, since 2×61265656183² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61265666183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30632828091 + 30632828092.

It is an arithmetic number, because the mean of its divisors is an integer number (30632828092).

Almost surely, 2^61265656183 is an apocalyptic number.

61265656183 is a deficient number, since it is larger than the sum of its proper divisors (1).

61265656183 is an equidigital number, since it uses as much as digits as its factorization.

61265656183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The spelling of 61265656183 in words is "sixty-one billion, two hundred sixty-five million, six hundred fifty-six thousand, one hundred eighty-three".