56061005505061 has 2 divisors, whose sum is σ = 56061005505062. Its totient is φ = 56061005505060.

The previous prime is 56061005505023. The next prime is 56061005505067. The reversal of 56061005505061 is 16050550016065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55342901796961 + 718103708100 = 7439281^2 + 847410^2 .

It is a cyclic number.

It is not a de Polignac number, because 56061005505061 - 2²¹ = 56061003407909 is a prime.

It is a super-2 number, since 2×56061005505061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56061005505067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030502752530 + 28030502752531.

It is an arithmetic number, because the mean of its divisors is an integer number (28030502752531).

Almost surely, 2^{56061005505061} is an apocalyptic number.

It is an amenable number.

56061005505061 is a deficient number, since it is larger than the sum of its proper divisors (1).

56061005505061 is an equidigital number, since it uses as much as digits as its factorization.

56061005505061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 56061005505061 in words is "fifty-six trillion, sixty-one billion, five million, five hundred five thousand, sixty-one".