215534552233025 has 12 divisors (see below), whose sum is σ = 271027110190464. Its totient is φ = 169999083450000.

The previous prime is 215534552232973. The next prime is 215534552233081. The reversal of 215534552233025 is 520332255435512.

It is not a de Polignac number, because 215534552233025 - 2¹² = 215534552228929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60713956601 + ... + 60713960150.

It is an arithmetic number, because the mean of its divisors is an integer number (22585592515872).

Almost surely, 2^{215534552233025} is an apocalyptic number.

215534552233025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

215534552233025 is a deficient number, since it is larger than the sum of its proper divisors (55492557957439).

215534552233025 is a wasteful number, since it uses less digits than its factorization.

215534552233025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121427916832 (or 121427916827 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 47.

The spelling of 215534552233025 in words is "two hundred fifteen trillion, five hundred thirty-four billion, five hundred fifty-two million, two hundred thirty-three thousand, twenty-five".