215245000041041 has 4 divisors (see below), whose sum is σ = 215245207134900. Its totient is φ = 215244792947184.

The previous prime is 215245000041031. The next prime is 215245000041079. The reversal of 215245000041041 is 140140000542512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112423290910225 + 102821709130816 = 10602985^2 + 10140104^2 .

It is a cyclic number.

It is not a de Polignac number, because 215245000041041 - 2⁴⁶ = 144876255863377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215245000040995 and 215245000041013.

It is not an unprimeable number, because it can be changed into a prime (215245000041011) 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, 101979986 + ... + 104069243.

It is an arithmetic number, because the mean of its divisors is an integer number (53811301783725).

Almost surely, 2^{215245000041041} is an apocalyptic number.

It is an amenable number.

215245000041041 is a deficient number, since it is larger than the sum of its proper divisors (207093859).

215245000041041 is a wasteful number, since it uses less digits than its factorization.

215245000041041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207093858.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 215245000041041 its reverse (140140000542512), we get a palindrome (355385000583553).

The spelling of 215245000041041 in words is "two hundred fifteen trillion, two hundred forty-five billion, forty-one thousand, forty-one".