11540117065 has 8 divisors (see below), whose sum is σ = 14014986048. Its totient is φ = 9120863280.

The previous prime is 11540117053. The next prime is 11540117087. The reversal of 11540117065 is 56071104511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11540117065 - 2²³ = 11531728457 is a prime.

It is a Duffinian 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, 13903341 + ... + 13904170.

It is an arithmetic number, because the mean of its divisors is an integer number (1751873256).

Almost surely, 2^11540117065 is an apocalyptic number.

It is an amenable number.

11540117065 is a deficient number, since it is larger than the sum of its proper divisors (2474868983).

11540117065 is an equidigital number, since it uses as much as digits as its factorization.

11540117065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27807599.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11540117065 in words is "eleven billion, five hundred forty million, one hundred seventeen thousand, sixty-five".