215150252241 has 4 divisors (see below), whose sum is σ = 286867002992. Its totient is φ = 143433501492.

The previous prime is 215150252183. The next prime is 215150252249. The reversal of 215150252241 is 142252051512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 215150252241 - 2⁷ = 215150252113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 215150252199 and 215150252208.

It is not an unprimeable number, because it can be changed into a prime (215150252249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35858375371 + ... + 35858375376.

It is an arithmetic number, because the mean of its divisors is an integer number (71716750748).

Almost surely, 2^215150252241 is an apocalyptic number.

It is an amenable number.

215150252241 is a deficient number, since it is larger than the sum of its proper divisors (71716750751).

215150252241 is an equidigital number, since it uses as much as digits as its factorization.

215150252241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71716750750.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 215150252241 in words is "two hundred fifteen billion, one hundred fifty million, two hundred fifty-two thousand, two hundred forty-one".