215281882701 has 10 divisors (see below), whose sum is σ = 321593923662. Its totient is φ = 143521255080.

The previous prime is 215281882693. The next prime is 215281882723. The reversal of 215281882701 is 107288182512.

215281882701 is a `hidden beast` number, since 21 + 5 + 281 + 88 + 270 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157429607076 + 57852275625 = 396774^2 + 240525^2 .

It is not a de Polignac number, because 215281882701 - 2³ = 215281882693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215281882001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1328900430 + ... + 1328900591.

Almost surely, 2^215281882701 is an apocalyptic number.

It is an amenable number.

215281882701 is a deficient number, since it is larger than the sum of its proper divisors (106312040961).

215281882701 is an equidigital number, since it uses as much as digits as its factorization.

215281882701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657801033 (or 2657801024 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 215281882701 in words is "two hundred fifteen billion, two hundred eighty-one million, eight hundred eighty-two thousand, seven hundred one".