20125611224116 has 6 divisors (see below), whose sum is σ = 35219819642210. Its totient is φ = 10062805612056.

The previous prime is 20125611224113. The next prime is 20125611224129. The reversal of 20125611224116 is 61142211652102.

It can be written as a sum of positive squares in only one way, i.e., 17515932521616 + 2609678702500 = 4185204^2 + 1615450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125611224113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515701403011 + ... + 2515701403018.

Almost surely, 2^{20125611224116} is an apocalyptic number.

It is an amenable number.

20125611224116 is a deficient number, since it is larger than the sum of its proper divisors (15094208418094).

20125611224116 is a wasteful number, since it uses less digits than its factorization.

20125611224116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031402806033 (or 5031402806031 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 20125611224116 its reverse (61142211652102), we get a palindrome (81267822876218).

The spelling of 20125611224116 in words is "twenty trillion, one hundred twenty-five billion, six hundred eleven million, two hundred twenty-four thousand, one hundred sixteen".