215250101053 has 24 divisors (see below), whose sum is σ = 245414594880. Its totient is φ = 188184522240.

The previous prime is 215250101051. The next prime is 215250101071. The reversal of 215250101053 is 350101052512.

It is not a de Polignac number, because 215250101053 - 2¹ = 215250101051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215250101051) 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 23 ways as a sum of consecutive naturals, for example, 17021613 + ... + 17034253.

It is an arithmetic number, because the mean of its divisors is an integer number (10225608120).

Almost surely, 2^215250101053 is an apocalyptic number.

It is an amenable number.

215250101053 is a deficient number, since it is larger than the sum of its proper divisors (30164493827).

215250101053 is a wasteful number, since it uses less digits than its factorization.

215250101053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989 (or 17976 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 215250101053 its reverse (350101052512), we get a palindrome (565351153565).

The spelling of 215250101053 in words is "two hundred fifteen billion, two hundred fifty million, one hundred one thousand, fifty-three".