10620505056617 has 4 divisors (see below), whose sum is σ = 10620603159120. Its totient is φ = 10620406954116.

The previous prime is 10620505056607. The next prime is 10620505056643. The reversal of 10620505056617 is 71665050502601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10620505056617 is a prime.

It is a super-2 number, since 2×10620505056617² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10620505056607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48888683 + ... + 49105440.

It is an arithmetic number, because the mean of its divisors is an integer number (2655150789780).

Almost surely, 2^{10620505056617} is an apocalyptic number.

It is an amenable number.

10620505056617 is a deficient number, since it is larger than the sum of its proper divisors (98102503).

10620505056617 is an equidigital number, since it uses as much as digits as its factorization.

10620505056617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98102502.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 10620505056617 in words is "ten trillion, six hundred twenty billion, five hundred five million, fifty-six thousand, six hundred seventeen".