215253523550143 has 8 divisors (see below), whose sum is σ = 232630608765968. Its totient is φ = 197993455743744.

The previous prime is 215253523550137. The next prime is 215253523550183. The reversal of 215253523550143 is 341055325352512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215253523550143 is a prime.

It is a super-2 number, since 2×215253523550143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215253523550093 and 215253523550102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215253523550183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29254348530 + ... + 29254355887.

It is an arithmetic number, because the mean of its divisors is an integer number (29078826095746).

Almost surely, 2^{215253523550143} is an apocalyptic number.

215253523550143 is a deficient number, since it is larger than the sum of its proper divisors (17377085215825).

215253523550143 is a wasteful number, since it uses less digits than its factorization.

215253523550143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58508704713.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 215253523550143 in words is "two hundred fifteen trillion, two hundred fifty-three billion, five hundred twenty-three million, five hundred fifty thousand, one hundred forty-three".