64747112265 has 40 divisors (see below), whose sum is σ = 126616583808. Its totient is φ = 31392537120.

The previous prime is 64747112263. The next prime is 64747112267. The reversal of 64747112265 is 56221174746.

64747112265 is a `hidden beast` number, since 6 + 474 + 7 + 112 + 2 + 65 = 666.

64747112265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64747112263) and next prime (64747112267).

It is not a de Polignac number, because 64747112265 - 2¹ = 64747112263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64747112265.

It is not an unprimeable number, because it can be changed into a prime (64747112263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7262337 + ... + 7271246.

Almost surely, 2^64747112265 is an apocalyptic number.

It is an amenable number.

64747112265 is a deficient number, since it is larger than the sum of its proper divisors (61869471543).

64747112265 is a wasteful number, since it uses less digits than its factorization.

64747112265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533611 (or 14533602 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 64747112265 in words is "sixty-four billion, seven hundred forty-seven million, one hundred twelve thousand, two hundred sixty-five".