2111516103013 has 4 divisors (see below), whose sum is σ = 2235722932620. Its totient is φ = 1987309273408.

The previous prime is 2111516103007. The next prime is 2111516103029. The reversal of 2111516103013 is 3103016151112.

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 1156951930689 + 954564172324 = 1075617^2 + 977018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111516103013 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 (2111516103913) 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, 62103414778 + ... + 62103414811.

It is an arithmetic number, because the mean of its divisors is an integer number (558930733155).

Almost surely, 2^{2111516103013} is an apocalyptic number.

It is an amenable number.

2111516103013 is a deficient number, since it is larger than the sum of its proper divisors (124206829607).

2111516103013 is a wasteful number, since it uses less digits than its factorization.

2111516103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124206829606.

The product of its (nonzero) digits is 540, while the sum is 25.

The spelling of 2111516103013 in words is "two trillion, one hundred eleven billion, five hundred sixteen million, one hundred three thousand, thirteen".