52115015414421 has 12 divisors (see below), whose sum is σ = 77873011539180. Its totient is φ = 33545297278080.

The previous prime is 52115015414419. The next prime is 52115015414437. The reversal of 52115015414421 is 12441451051125.

52115015414421 is a `hidden beast` number, since 5 + 2 + 1 + 1 + 50 + 1 + 541 + 44 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44128518984900 + 7986496429521 = 6642930^2 + 2826039^2 .

It is not a de Polignac number, because 52115015414421 - 2¹ = 52115015414419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115015414471) 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, 99837194020 + ... + 99837194541.

It is an arithmetic number, because the mean of its divisors is an integer number (6489417628265).

Almost surely, 2^{52115015414421} is an apocalyptic number.

It is an amenable number.

52115015414421 is a deficient number, since it is larger than the sum of its proper divisors (25757996124759).

52115015414421 is a wasteful number, since it uses less digits than its factorization.

52115015414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199674388596 (or 199674388593 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

Adding to 52115015414421 its reverse (12441451051125), we get a palindrome (64556466465546).

The spelling of 52115015414421 in words is "fifty-two trillion, one hundred fifteen billion, fifteen million, four hundred fourteen thousand, four hundred twenty-one".