1720560652955 has 8 divisors (see below), whose sum is σ = 2064679825104. Its totient is φ = 1376443828000.

The previous prime is 1720560652927. The next prime is 1720560652969. The reversal of 1720560652955 is 5592560650271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1720560652955 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1720560652897 and 1720560652906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559485 + ... + 3161025.

It is an arithmetic number, because the mean of its divisors is an integer number (258084978138).

Almost surely, 2^{1720560652955} is an apocalyptic number.

1720560652955 is a deficient number, since it is larger than the sum of its proper divisors (344119172149).

1720560652955 is an equidigital number, since it uses as much as digits as its factorization.

1720560652955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173597.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 1720560652955 in words is "one trillion, seven hundred twenty billion, five hundred sixty million, six hundred fifty-two thousand, nine hundred fifty-five".