215225520043 has 8 divisors (see below), whose sum is σ = 217566984096. Its totient is φ = 212888184000.

The previous prime is 215225519983. The next prime is 215225520067. The reversal of 215225520043 is 340025522512.

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-215225520043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215225519987 and 215225520014.

It is not an unprimeable number, because it can be changed into a prime (215229520043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927103 + ... + 1135768.

It is an arithmetic number, because the mean of its divisors is an integer number (27195873012).

Almost surely, 2^215225520043 is an apocalyptic number.

215225520043 is a deficient number, since it is larger than the sum of its proper divisors (2341464053).

215225520043 is a wasteful number, since it uses less digits than its factorization.

215225520043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064005.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 215225520043 in words is "two hundred fifteen billion, two hundred twenty-five million, five hundred twenty thousand, forty-three".