61366260325513 has 32 divisors (see below), whose sum is σ = 75891070604160. Its totient is φ = 48784559523840.

The previous prime is 61366260325507. The next prime is 61366260325549. The reversal of 61366260325513 is 31552306266316.

It is a cyclic number.

It is not a de Polignac number, because 61366260325513 - 2¹⁷ = 61366260194441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61366260325583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111102495 + ... + 111653467.

It is an arithmetic number, because the mean of its divisors is an integer number (2371595956380).

Almost surely, 2^{61366260325513} is an apocalyptic number.

It is an amenable number.

61366260325513 is a deficient number, since it is larger than the sum of its proper divisors (14524810278647).

61366260325513 is a wasteful number, since it uses less digits than its factorization.

61366260325513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592009.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 61366260325513 in words is "sixty-one trillion, three hundred sixty-six billion, two hundred sixty million, three hundred twenty-five thousand, five hundred thirteen".