203132455215 has 16 divisors (see below), whose sum is σ = 325117972608. Its totient is φ = 108301961376.

The previous prime is 203132455213. The next prime is 203132455219. The reversal of 203132455215 is 512554231302.

It is not a de Polignac number, because 203132455215 - 2¹ = 203132455213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203132455213) 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, 2161717 + ... + 2253726.

It is an arithmetic number, because the mean of its divisors is an integer number (20319873288).

Almost surely, 2^203132455215 is an apocalyptic number.

203132455215 is a deficient number, since it is larger than the sum of its proper divisors (121985517393).

203132455215 is a wasteful number, since it uses less digits than its factorization.

203132455215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418518.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 203132455215 its reverse (512554231302), we get a palindrome (715686686517).

The spelling of 203132455215 in words is "two hundred three billion, one hundred thirty-two million, four hundred fifty-five thousand, two hundred fifteen".