215235036236341 has 4 divisors (see below), whose sum is σ = 234801857712384. Its totient is φ = 195668214760300.

The previous prime is 215235036236293. The next prime is 215235036236369. The reversal of 215235036236341 is 143632630532512.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-215235036236341 is a prime.

It is a super-2 number, since 2×215235036236341² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215235036236291 and 215235036236300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215235036936341) 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 3 ways as a sum of consecutive naturals, for example, 9783410738005 + ... + 9783410738026.

It is an arithmetic number, because the mean of its divisors is an integer number (58700464428096).

Almost surely, 2^{215235036236341} is an apocalyptic number.

It is an amenable number.

215235036236341 is a deficient number, since it is larger than the sum of its proper divisors (19566821476043).

215235036236341 is a wasteful number, since it uses less digits than its factorization.

215235036236341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19566821476042.

The product of its (nonzero) digits is 2332800, while the sum is 46.

Adding to 215235036236341 its reverse (143632630532512), we get a palindrome (358867666768853).

The spelling of 215235036236341 in words is "two hundred fifteen trillion, two hundred thirty-five billion, thirty-six million, two hundred thirty-six thousand, three hundred forty-one".