11165454505 has 16 divisors (see below), whose sum is σ = 13555209600. Its totient is φ = 8828012160.

The previous prime is 11165454499. The next prime is 11165454511. The reversal of 11165454505 is 50545456111.

It is an interprime number because it is at equal distance from previous prime (11165454499) and next prime (11165454511).

It is not a de Polignac number, because 11165454505 - 2⁵ = 11165454473 is a prime.

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, 1339300 + ... + 1347610.

It is an arithmetic number, because the mean of its divisors is an integer number (847200600).

Almost surely, 2^11165454505 is an apocalyptic number.

It is an amenable number.

11165454505 is a deficient number, since it is larger than the sum of its proper divisors (2389755095).

11165454505 is an equidigital number, since it uses as much as digits as its factorization.

11165454505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 11165454505 in words is "eleven billion, one hundred sixty-five million, four hundred fifty-four thousand, five hundred five".