52144244115021 has 12 divisors (see below), whose sum is σ = 76380301239840. Its totient is φ = 34273212093960.

The previous prime is 52144244115011. The next prime is 52144244115049. The reversal of 52144244115021 is 12051144244125.

It is a happy number.

52144244115021 is a `hidden beast` number, since 5 + 2 + 1 + 4 + 42 + 441 + 150 + 21 = 666.

It is not a de Polignac number, because 52144244115021 - 2⁶ = 52144244114957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144244115011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40801442331 + ... + 40801443608.

It is an arithmetic number, because the mean of its divisors is an integer number (6365025103320).

Almost surely, 2^{52144244115021} is an apocalyptic number.

It is an amenable number.

52144244115021 is a deficient number, since it is larger than the sum of its proper divisors (24236057124819).

52144244115021 is a wasteful number, since it uses less digits than its factorization.

52144244115021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81602886016 (or 81602886013 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

Adding to 52144244115021 its reverse (12051144244125), we get a palindrome (64195388359146).

The spelling of 52144244115021 in words is "fifty-two trillion, one hundred forty-four billion, two hundred forty-four million, one hundred fifteen thousand, twenty-one".