65747061215 has 16 divisors (see below), whose sum is σ = 86146014240. Its totient is φ = 47773192320.

The previous prime is 65747061203. The next prime is 65747061251. The reversal of 65747061215 is 51216074756.

It is not a de Polignac number, because 65747061215 - 2¹⁸ = 65746799071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473660 + ... + 596529.

It is an arithmetic number, because the mean of its divisors is an integer number (5384125890).

Almost surely, 2^65747061215 is an apocalyptic number.

65747061215 is a deficient number, since it is larger than the sum of its proper divisors (20398953025).

65747061215 is a wasteful number, since it uses less digits than its factorization.

65747061215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071322.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 65747061215 in words is "sixty-five billion, seven hundred forty-seven million, sixty-one thousand, two hundred fifteen".