61328395069271 has 32 divisors (see below), whose sum is σ = 68664028105728. Its totient is φ = 54293970407040.

The previous prime is 61328395069247. The next prime is 61328395069297. The reversal of 61328395069271 is 17296059382316.

It is a cyclic number.

It is not a de Polignac number, because 61328395069271 - 2²² = 61328390874967 is a prime.

It is a super-2 number, since 2×61328395069271² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61328395089271) 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, 696576665 + ... + 696664701.

It is an arithmetic number, because the mean of its divisors is an integer number (2145750878304).

Almost surely, 2^{61328395069271} is an apocalyptic number.

61328395069271 is a deficient number, since it is larger than the sum of its proper divisors (7335633036457).

61328395069271 is a wasteful number, since it uses less digits than its factorization.

61328395069271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92471.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 61328395069271 in words is "sixty-one trillion, three hundred twenty-eight billion, three hundred ninety-five million, sixty-nine thousand, two hundred seventy-one".