1165531879095 has 16 divisors (see below), whose sum is σ = 1883314880352. Its totient is φ = 615462377600.

The previous prime is 1165531879069. The next prime is 1165531879111. The reversal of 1165531879095 is 5909781355611.

It is not a de Polignac number, because 1165531879095 - 2⁸ = 1165531878839 is a prime.

It is a super-2 number, since 2×1165531879095² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384662472 + ... + 384665501.

It is an arithmetic number, because the mean of its divisors is an integer number (117707180022).

Almost surely, 2^{1165531879095} is an apocalyptic number.

1165531879095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1165531879095 is a deficient number, since it is larger than the sum of its proper divisors (717783001257).

1165531879095 is a wasteful number, since it uses less digits than its factorization.

1165531879095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769328082.

The product of its (nonzero) digits is 10206000, while the sum is 60.

The spelling of 1165531879095 in words is "one trillion, one hundred sixty-five billion, five hundred thirty-one million, eight hundred seventy-nine thousand, ninety-five".