1165653264112 has 20 divisors (see below), whose sum is σ = 2258491150440. Its totient is φ = 582816838208.

The previous prime is 1165653264103. The next prime is 1165653264119. The reversal of 1165653264112 is 2114623565611.

It is a super-3 number, since 3×1165653264112³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165653264119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422814 + ... + 1584322.

It is an arithmetic number, because the mean of its divisors is an integer number (112924557522).

Almost surely, 2^{1165653264112} is an apocalyptic number.

It is an amenable number.

1165653264112 is a deficient number, since it is larger than the sum of its proper divisors (1092837886328).

1165653264112 is a wasteful number, since it uses less digits than its factorization.

1165653264112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224240 (or 1224234 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 1165653264112 in words is "one trillion, one hundred sixty-five billion, six hundred fifty-three million, two hundred sixty-four thousand, one hundred twelve".