1165465640341 has 4 divisors (see below), whose sum is σ = 1234022442732. Its totient is φ = 1096908837952.

The previous prime is 1165465640333. The next prime is 1165465640351. The reversal of 1165465640341 is 1430465645611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1019805101316 + 145660539025 = 1009854^2 + 381655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165465640341 - 2³ = 1165465640333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1165465640291 and 1165465640300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165465640351) 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, 34278401170 + ... + 34278401203.

It is an arithmetic number, because the mean of its divisors is an integer number (308505610683).

Almost surely, 2^{1165465640341} is an apocalyptic number.

It is an amenable number.

1165465640341 is a deficient number, since it is larger than the sum of its proper divisors (68556802391).

1165465640341 is an equidigital number, since it uses as much as digits as its factorization.

1165465640341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68556802390.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1165465640341 in words is "one trillion, one hundred sixty-five billion, four hundred sixty-five million, six hundred forty thousand, three hundred forty-one".