252221545015345 has 16 divisors (see below), whose sum is σ = 304399709890560. Its totient is φ = 200622368334400.

The previous prime is 252221545015343. The next prime is 252221545015421. The reversal of 252221545015345 is 543510545122252.

It is not a de Polignac number, because 252221545015345 - 2¹ = 252221545015343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252221545015295 and 252221545015304.

It is not an unprimeable number, because it can be changed into a prime (252221545015343) 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 15 ways as a sum of consecutive naturals, for example, 62816446 + ... + 66710935.

It is an arithmetic number, because the mean of its divisors is an integer number (19024981868160).

Almost surely, 2^{252221545015345} is an apocalyptic number.

It is an amenable number.

252221545015345 is a deficient number, since it is larger than the sum of its proper divisors (52178164875215).

252221545015345 is a wasteful number, since it uses less digits than its factorization.

252221545015345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129529616.

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 252221545015345 in words is "two hundred fifty-two trillion, two hundred twenty-one billion, five hundred forty-five million, fifteen thousand, three hundred forty-five".