215134541313241 has 4 divisors (see below), whose sum is σ = 234692226887184. Its totient is φ = 195576855739300.

The previous prime is 215134541313217. The next prime is 215134541313253. The reversal of 215134541313241 is 142313145431512.

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 a cyclic number.

It is not a de Polignac number, because 215134541313241 - 2¹⁹ = 215134540788953 is a prime.

It is a super-2 number, since 2×215134541313241² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215134541313194 and 215134541313203.

It is not an unprimeable number, because it can be changed into a prime (215134541311241) 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, 9778842786955 + ... + 9778842786976.

It is an arithmetic number, because the mean of its divisors is an integer number (58673056721796).

Almost surely, 2^{215134541313241} is an apocalyptic number.

It is an amenable number.

215134541313241 is a deficient number, since it is larger than the sum of its proper divisors (19557685573943).

215134541313241 is a wasteful number, since it uses less digits than its factorization.

215134541313241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557685573942.

The product of its digits is 172800, while the sum is 40.

Adding to 215134541313241 its reverse (142313145431512), we get a palindrome (357447686744753).

The spelling of 215134541313241 in words is "two hundred fifteen trillion, one hundred thirty-four billion, five hundred forty-one million, three hundred thirteen thousand, two hundred forty-one".