61152822280730 has 8 divisors (see below), whose sum is σ = 110075080105332. Its totient is φ = 24461128912288.

The previous prime is 61152822280721. The next prime is 61152822280763. The reversal of 61152822280730 is 3708222825116.

61152822280730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 7820027²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 61152822280729 + 1 = 7820027^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3057641114027 + ... + 3057641114046.

Almost surely, 2^{61152822280730} is an apocalyptic number.

61152822280730 is a deficient number, since it is larger than the sum of its proper divisors (48922257824602).

61152822280730 is a wasteful number, since it uses less digits than its factorization.

61152822280730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115282228080.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 61152822280730 in words is "sixty-one trillion, one hundred fifty-two billion, eight hundred twenty-two million, two hundred eighty thousand, seven hundred thirty".