215041150406 has 4 divisors (see below), whose sum is σ = 322561725612. Its totient is φ = 107520575202.

The previous prime is 215041150397. The next prime is 215041150409. The reversal of 215041150406 is 604051140512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215041150409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53760287600 + ... + 53760287603.

It is an arithmetic number, because the mean of its divisors is an integer number (80640431403).

Almost surely, 2^215041150406 is an apocalyptic number.

215041150406 is a deficient number, since it is larger than the sum of its proper divisors (107520575206).

215041150406 is a wasteful number, since it uses less digits than its factorization.

215041150406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107520575205.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 215041150406 its reverse (604051140512), we get a palindrome (819092290918).

The spelling of 215041150406 in words is "two hundred fifteen billion, forty-one million, one hundred fifty thousand, four hundred six".