215250250101 has 16 divisors (see below), whose sum is σ = 287616806400. Its totient is φ = 143192207088.

The previous prime is 215250250037. The next prime is 215250250177. The reversal of 215250250101 is 101052052512.

It is not a de Polignac number, because 215250250101 - 2⁶ = 215250250037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215250252101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183120 + ... + 3250038.

It is an arithmetic number, because the mean of its divisors is an integer number (17976050400).

Almost surely, 2^215250250101 is an apocalyptic number.

It is an amenable number.

215250250101 is a deficient number, since it is larger than the sum of its proper divisors (72366556299).

215250250101 is a wasteful number, since it uses less digits than its factorization.

215250250101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69208.

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 215250250101 in words is "two hundred fifteen billion, two hundred fifty million, two hundred fifty thousand, one hundred one".