1165479975744 has 224 divisors, whose sum is σ = 3732610646016. Its totient is φ = 313312665600.

The previous prime is 1165479975721. The next prime is 1165479975757. The reversal of 1165479975744 is 4475799745611.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113115297 + ... + 113125599.

It is an arithmetic number, because the mean of its divisors is an integer number (16663440384).

Almost surely, 2^{1165479975744} is an apocalyptic number.

1165479975744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165479975744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866305323008).

1165479975744 is an abundant number, since it is smaller than the sum of its proper divisors (2567130670272).

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

1165479975744 is a wasteful number, since it uses less digits than its factorization.

1165479975744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15293 (or 15283 counting only the distinct ones).

The product of its digits is 266716800, while the sum is 69.

The spelling of 1165479975744 in words is "one trillion, one hundred sixty-five billion, four hundred seventy-nine million, nine hundred seventy-five thousand, seven hundred forty-four".