4861111111115 has 16 divisors (see below), whose sum is σ = 6956521740288. Its totient is φ = 3188405796576.

The previous prime is 4861111111111. The next prime is 4861111111151. The reversal of 4861111111115 is 5111111111684.

It is not a de Polignac number, because 4861111111115 - 2² = 4861111111111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4861111111111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019322867 + ... + 3019324476.

It is an arithmetic number, because the mean of its divisors is an integer number (434782608768).

Almost surely, 2^{4861111111115} is an apocalyptic number.

4861111111115 is a deficient number, since it is larger than the sum of its proper divisors (2095410629173).

4861111111115 is a wasteful number, since it uses less digits than its factorization.

4861111111115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038647378.

The product of its digits is 960, while the sum is 32.

Adding to 4861111111115 its reverse (5111111111684), we get a palindrome (9972222222799).

The spelling of 4861111111115 in words is "four trillion, eight hundred sixty-one billion, one hundred eleven million, one hundred eleven thousand, one hundred fifteen".