51122045213113 has 16 divisors (see below), whose sum is σ = 58451554491264. Its totient is φ = 43799129740800.

The previous prime is 51122045213059. The next prime is 51122045213117. The reversal of 51122045213113 is 31131254022115.

It is not a de Polignac number, because 51122045213113 - 2¹³ = 51122045204921 is a prime.

It is a super-2 number, since 2×51122045213113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51122045213117) 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, 166204563 + ... + 166511863.

It is an arithmetic number, because the mean of its divisors is an integer number (3653222155704).

Almost surely, 2^{51122045213113} is an apocalyptic number.

It is an amenable number.

51122045213113 is a deficient number, since it is larger than the sum of its proper divisors (7329509278151).

51122045213113 is a wasteful number, since it uses less digits than its factorization.

51122045213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317952.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 51122045213113 its reverse (31131254022115), we get a palindrome (82253299235228).

The spelling of 51122045213113 in words is "fifty-one trillion, one hundred twenty-two billion, forty-five million, two hundred thirteen thousand, one hundred thirteen".