616516011111 has 32 divisors (see below), whose sum is σ = 1103693004288. Its totient is φ = 295632051840.

The previous prime is 616516011077. The next prime is 616516011151. The reversal of 616516011111 is 111110615616.

It is not a de Polignac number, because 616516011111 - 2²⁷ = 616381793383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616516011151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102647016 + ... + 102653021.

It is an arithmetic number, because the mean of its divisors is an integer number (34490406384).

Almost surely, 2^616516011111 is an apocalyptic number.

616516011111 is a deficient number, since it is larger than the sum of its proper divisors (487176993177).

616516011111 is a wasteful number, since it uses less digits than its factorization.

616516011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205300071.

The product of its (nonzero) digits is 1080, while the sum is 30.

Adding to 616516011111 its reverse (111110615616), we get a palindrome (727626626727).

The spelling of 616516011111 in words is "six hundred sixteen billion, five hundred sixteen million, eleven thousand, one hundred eleven".