20125501111753 has 8 divisors (see below), whose sum is σ = 20971450948680. Its totient is φ = 19289682410880.

The previous prime is 20125501111699. The next prime is 20125501111823. The reversal of 20125501111753 is 35711110552102.

It can be written as a sum of positive squares in 4 ways, for example, as 7705776261184 + 12419724850569 = 2775928^2 + 3524163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20125501111753 - 2⁴¹ = 17926477856201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125501114753) 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 in 7 ways as a sum of consecutive naturals, for example, 2532779958 + ... + 2532787903.

It is an arithmetic number, because the mean of its divisors is an integer number (2621431368585).

Almost surely, 2^{20125501111753} is an apocalyptic number.

It is an amenable number.

20125501111753 is a deficient number, since it is larger than the sum of its proper divisors (845949836927).

20125501111753 is a wasteful number, since it uses less digits than its factorization.

20125501111753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065568027.

The product of its (nonzero) digits is 10500, while the sum is 34.

Adding to 20125501111753 its reverse (35711110552102), we get a palindrome (55836611663855).

The spelling of 20125501111753 in words is "twenty trillion, one hundred twenty-five billion, five hundred one million, one hundred eleven thousand, seven hundred fifty-three".