61056110051089 has 4 divisors (see below), whose sum is σ = 61892495120356. Its totient is φ = 60219724981824.

The previous prime is 61056110051059. The next prime is 61056110051093. The reversal of 61056110051089 is 98015001165016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23499031856400 + 37557078194689 = 4847580^2 + 6128383^2 .

It is a cyclic number.

It is not a de Polignac number, because 61056110051089 - 2²¹ = 61056107953937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61056110051059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418192534524 + ... + 418192534669.

It is an arithmetic number, because the mean of its divisors is an integer number (15473123780089).

Almost surely, 2^{61056110051089} is an apocalyptic number.

It is an amenable number.

61056110051089 is a deficient number, since it is larger than the sum of its proper divisors (836385069267).

61056110051089 is an equidigital number, since it uses as much as digits as its factorization.

61056110051089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836385069266.

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 61056110051089 in words is "sixty-one trillion, fifty-six billion, one hundred ten million, fifty-one thousand, eighty-nine".