52215122312505 has 12 divisors (see below), whose sum is σ = 90506212008420. Its totient is φ = 27848065233312.

The previous prime is 52215122312501. The next prime is 52215122312567. The reversal of 52215122312505 is 50521322151225.

52215122312505 is a `hidden beast` number, since 5 + 2 + 2 + 15 + 122 + 3 + 12 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7686046506384 + 44529075806121 = 2772372^2 + 6673011^2 .

It is not a de Polignac number, because 52215122312505 - 2² = 52215122312501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52215122312505.

It is not an unprimeable number, because it can be changed into a prime (52215122312501) 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, 580168025650 + ... + 580168025739.

It is an arithmetic number, because the mean of its divisors is an integer number (7542184334035).

Almost surely, 2^{52215122312505} is an apocalyptic number.

It is an amenable number.

52215122312505 is a deficient number, since it is larger than the sum of its proper divisors (38291089695915).

52215122312505 is a wasteful number, since it uses less digits than its factorization.

52215122312505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160336051400 (or 1160336051397 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 52215122312505 in words is "fifty-two trillion, two hundred fifteen billion, one hundred twenty-two million, three hundred twelve thousand, five hundred five".