65111364 has 60 divisors (see below), whose sum is σ = 171121104. Its totient is φ = 21677544.

The previous prime is 65111359. The next prime is 65111383. The reversal of 65111364 is 46311156.

65111364 is a `hidden beast` number, since 651 + 1 + 1 + 3 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78319 + ... + 79145.

Almost surely, 2^65111364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65111364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85560552).

65111364 is an abundant number, since it is smaller than the sum of its proper divisors (106009740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65111364 is an frugal number, since it uses more digits than its factorization.

65111364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 832 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 65111364 is about 8069.1612947072. The cubic root of 65111364 is about 402.3020674638.

It can be divided in two parts, 6511 and 1364, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 65111364 in words is "sixty-five million, one hundred eleven thousand, three hundred sixty-four".