1000215052345 has 16 divisors (see below), whose sum is σ = 1217836423440. Its totient is φ = 788523945984.

The previous prime is 1000215052313. The next prime is 1000215052387. The reversal of 1000215052345 is 5432505120001.

It can be written as a sum of positive squares in 8 ways, for example, as 110141679376 + 890073372969 = 331876^2 + 943437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000215052345 - 2⁵ = 1000215052313 is a prime.

It is a super-2 number, since 2×1000215052345² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4312530 + ... + 4538539.

It is an arithmetic number, because the mean of its divisors is an integer number (76114776465).

Almost surely, 2^{1000215052345} is an apocalyptic number.

It is an amenable number.

1000215052345 is a deficient number, since it is larger than the sum of its proper divisors (217621371095).

1000215052345 is an equidigital number, since it uses as much as digits as its factorization.

1000215052345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851404.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 1000215052345 in words is "one trillion, two hundred fifteen million, fifty-two thousand, three hundred forty-five".