3116751221005 has 16 divisors (see below), whose sum is σ = 3850559634240. Its totient is φ = 2420473684608.

The previous prime is 3116751220987. The next prime is 3116751221029. The reversal of 3116751221005 is 5001221576113.

It is a cyclic number.

It is not a de Polignac number, because 3116751221005 - 2²³ = 3116742832397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44432800 + ... + 44502889.

It is an arithmetic number, because the mean of its divisors is an integer number (240659977140).

Almost surely, 2^{3116751221005} is an apocalyptic number.

It is an amenable number.

3116751221005 is a deficient number, since it is larger than the sum of its proper divisors (733808413235).

3116751221005 is a wasteful number, since it uses less digits than its factorization.

3116751221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88935900.

The product of its (nonzero) digits is 12600, while the sum is 34.

Adding to 3116751221005 its reverse (5001221576113), we get a palindrome (8117972797118).

The spelling of 3116751221005 in words is "three trillion, one hundred sixteen billion, seven hundred fifty-one million, two hundred twenty-one thousand, five".