1165341769440 has 48 divisors (see below), whose sum is σ = 3670826575248. Its totient is φ = 310757805056.

The previous prime is 1165341769439. The next prime is 1165341769457. The reversal of 1165341769440 is 449671435611.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213897197 + ... + 1213898156.

It is an arithmetic number, because the mean of its divisors is an integer number (76475553651).

Almost surely, 2^{1165341769440} is an apocalyptic number.

1165341769440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165341769440 is an abundant number, since it is smaller than the sum of its proper divisors (2505484805808).

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

1165341769440 is a wasteful number, since it uses less digits than its factorization.

1165341769440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427795371 (or 2427795363 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 1165341769440 in words is "one trillion, one hundred sixty-five billion, three hundred forty-one million, seven hundred sixty-nine thousand, four hundred forty".