61378275713 has 8 divisors (see below), whose sum is σ = 62258122080. Its totient is φ = 60503472000.

The previous prime is 61378275677. The next prime is 61378275737. The reversal of 61378275713 is 31757287316.

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 61378275713 - 2⁶ = 61378275649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61378275613) 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, 1236143 + ... + 1284836.

It is an arithmetic number, because the mean of its divisors is an integer number (7782265260).

Almost surely, 2^61378275713 is an apocalyptic number.

It is an amenable number.

61378275713 is a deficient number, since it is larger than the sum of its proper divisors (879846367).

61378275713 is a wasteful number, since it uses less digits than its factorization.

61378275713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521327.

The product of its digits is 1481760, while the sum is 50.

The spelling of 61378275713 in words is "sixty-one billion, three hundred seventy-eight million, two hundred seventy-five thousand, seven hundred thirteen".