61550065601056 has 12 divisors (see below), whose sum is σ = 121176691652142. Its totient is φ = 30775032800512.

The previous prime is 61550065601029. The next prime is 61550065601083. The reversal of 61550065601056 is 65010656005516.

It is an interprime number because it is at equal distance from previous prime (61550065601029) and next prime (61550065601083).

It can be written as a sum of positive squares in only one way, i.e., 33816318432400 + 27733747168656 = 5815180^2 + 5266284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61550065600997 and 61550065601015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961719774985 + ... + 961719775048.

Almost surely, 2^{61550065601056} is an apocalyptic number.

It is an amenable number.

61550065601056 is a deficient number, since it is larger than the sum of its proper divisors (59626626051086).

61550065601056 is a wasteful number, since it uses less digits than its factorization.

61550065601056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923439550043 (or 1923439550035 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 61550065601056 in words is "sixty-one trillion, five hundred fifty billion, sixty-five million, six hundred one thousand, fifty-six".