215503503113144 has 64 divisors (see below), whose sum is σ = 405217823774400. Its totient is φ = 107445920025600.

The previous prime is 215503503113131. The next prime is 215503503113153. The reversal of 215503503113144 is 441311305305512.

It is a junction number, because it is equal to n+sod(n) for n = 215503503113098 and 215503503113107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29810966522 + ... + 29810973750.

It is an arithmetic number, because the mean of its divisors is an integer number (6331528496475).

Almost surely, 2^{215503503113144} is an apocalyptic number.

It is an amenable number.

215503503113144 is a deficient number, since it is larger than the sum of its proper divisors (189714320661256).

215503503113144 is a wasteful number, since it uses less digits than its factorization.

215503503113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14544 (or 14540 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 215503503113144 its reverse (441311305305512), we get a palindrome (656814808418656).

The spelling of 215503503113144 in words is "two hundred fifteen trillion, five hundred three billion, five hundred three million, one hundred thirteen thousand, one hundred forty-four".