215064530350 has 48 divisors (see below), whose sum is σ = 409990008960. Its totient is φ = 83883916800.

The previous prime is 215064530341. The next prime is 215064530377. The reversal of 215064530350 is 53035460512.

215064530350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215064530350² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4059331 + ... + 4111969.

It is an arithmetic number, because the mean of its divisors is an integer number (8541458520).

Almost surely, 2^215064530350 is an apocalyptic number.

215064530350 is a deficient number, since it is larger than the sum of its proper divisors (194925478610).

215064530350 is a wasteful number, since it uses less digits than its factorization.

215064530350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54685 (or 54680 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 215064530350 its reverse (53035460512), we get a palindrome (268099990862).

The spelling of 215064530350 in words is "two hundred fifteen billion, sixty-four million, five hundred thirty thousand, three hundred fifty".