620056615111 has 4 divisors (see below), whose sum is σ = 626076582352. Its totient is φ = 614036647872.

The previous prime is 620056615103. The next prime is 620056615117. The reversal of 620056615111 is 111516650026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111516650026 = 2 ⋅55758325013.

It is a cyclic number.

It is not a de Polignac number, because 620056615111 - 2³ = 620056615103 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 (620056615117) 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, 3009983466 + ... + 3009983671.

It is an arithmetic number, because the mean of its divisors is an integer number (156519145588).

Almost surely, 2^620056615111 is an apocalyptic number.

620056615111 is a deficient number, since it is larger than the sum of its proper divisors (6019967241).

620056615111 is a wasteful number, since it uses less digits than its factorization.

620056615111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019967240.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 620056615111 in words is "six hundred twenty billion, fifty-six million, six hundred fifteen thousand, one hundred eleven".