11167540117 has 4 divisors (see below), whose sum is σ = 11171635020. Its totient is φ = 11163445216.

The previous prime is 11167540049. The next prime is 11167540121. The reversal of 11167540117 is 71104576111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71104576111 = 191717 ⋅370883.

It can be written as a sum of positive squares in 2 ways, for example, as 9316303441 + 1851236676 = 96521^2 + 43026^2 .

It is a cyclic number.

It is not a de Polignac number, because 11167540117 - 2¹⁹ = 11167015829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11167540127) 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, 2043358 + ... + 2048815.

It is an arithmetic number, because the mean of its divisors is an integer number (2792908755).

Almost surely, 2^11167540117 is an apocalyptic number.

It is an amenable number.

11167540117 is a deficient number, since it is larger than the sum of its proper divisors (4094903).

11167540117 is an equidigital number, since it uses as much as digits as its factorization.

11167540117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094902.

The product of its (nonzero) digits is 5880, while the sum is 34.

The spelling of 11167540117 in words is "eleven billion, one hundred sixty-seven million, five hundred forty thousand, one hundred seventeen".