61527821471701 has 8 divisors (see below), whose sum is σ = 68398173745664. Its totient is φ = 54962818187760.

The previous prime is 61527821471689. The next prime is 61527821471717. The reversal of 61527821471701 is 10717412872516.

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 61527821471701 - 2⁹ = 61527821471189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61527821471761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76337247081 + ... + 76337247886.

It is an arithmetic number, because the mean of its divisors is an integer number (8549771718208).

Almost surely, 2^{61527821471701} is an apocalyptic number.

It is an amenable number.

61527821471701 is a deficient number, since it is larger than the sum of its proper divisors (6870352273963).

61527821471701 is a wasteful number, since it uses less digits than its factorization.

61527821471701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152674495011.

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 61527821471701 in words is "sixty-one trillion, five hundred twenty-seven billion, eight hundred twenty-one million, four hundred seventy-one thousand, seven hundred one".