61065016055513 has 8 divisors (see below), whose sum is σ = 61080569816832. Its totient is φ = 61049464179696.

The previous prime is 61065016055501. The next prime is 61065016055551. The reversal of 61065016055513 is 31555061056016.

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 61065016055513 - 2⁴ = 61065016055497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61065016051513) 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, 65480006 + ... + 66406032.

It is an arithmetic number, because the mean of its divisors is an integer number (7635071227104).

Almost surely, 2^{61065016055513} is an apocalyptic number.

It is an amenable number.

61065016055513 is a deficient number, since it is larger than the sum of its proper divisors (15553761319).

61065016055513 is a wasteful number, since it uses less digits than its factorization.

61065016055513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942751.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 61065016055513 in words is "sixty-one trillion, sixty-five billion, sixteen million, fifty-five thousand, five hundred thirteen".