65104215250 has 64 divisors (see below), whose sum is σ = 123400648800. Its totient is φ = 25717708800.

The previous prime is 65104215247. The next prime is 65104215259. The reversal of 65104215250 is 5251240156.

65104215250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 354832569 + 64749382681 = 18837^2 + 254459^2 .

It is not an unprimeable number, because it can be changed into a prime (65104215259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6742426 + ... + 6752074.

Almost surely, 2^65104215250 is an apocalyptic number.

65104215250 is a deficient number, since it is larger than the sum of its proper divisors (58296433550).

65104215250 is a wasteful number, since it uses less digits than its factorization.

65104215250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9990 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 65104215250 in words is "sixty-five billion, one hundred four million, two hundred fifteen thousand, two hundred fifty".