1215552114244 has 48 divisors (see below), whose sum is σ = 2365026818560. Its totient is φ = 542862155520.

The previous prime is 1215552114209. The next prime is 1215552114247. The reversal of 1215552114244 is 4424112555121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1215552114247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15166027 + ... + 15245965.

Almost surely, 2^{1215552114244} is an apocalyptic number.

It is an amenable number.

1215552114244 is a deficient number, since it is larger than the sum of its proper divisors (1149474704316).

1215552114244 is a wasteful number, since it uses less digits than its factorization.

1215552114244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89420 (or 89418 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

Adding to 1215552114244 its reverse (4424112555121), we get a palindrome (5639664669365).

The spelling of 1215552114244 in words is "one trillion, two hundred fifteen billion, five hundred fifty-two million, one hundred fourteen thousand, two hundred forty-four".