61580865300409 has 8 divisors (see below), whose sum is σ = 75791834216000. Its totient is φ = 48723321995856.

The previous prime is 61580865300407. The next prime is 61580865300413. The reversal of 61580865300409 is 90400356808516.

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

It is a cyclic number.

It is not a de Polignac number, because 61580865300409 - 2¹ = 61580865300407 is a prime.

It is a super-2 number, since 2×61580865300409² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61580865300409.

It is not an unprimeable number, because it can be changed into a prime (61580865300407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338356402659 + ... + 338356402840.

It is an arithmetic number, because the mean of its divisors is an integer number (9473979277000).

Almost surely, 2^{61580865300409} is an apocalyptic number.

It is an amenable number.

61580865300409 is a deficient number, since it is larger than the sum of its proper divisors (14210968915591).

61580865300409 is a wasteful number, since it uses less digits than its factorization.

61580865300409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676712805519.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 61580865300409 in words is "sixty-one trillion, five hundred eighty billion, eight hundred sixty-five million, three hundred thousand, four hundred nine".