11440740815 has 16 divisors (see below), whose sum is σ = 15748499520. Its totient is φ = 7815909120.

The previous prime is 11440740803. The next prime is 11440740827. The reversal of 11440740815 is 51804704411.

It is an interprime number because it is at equal distance from previous prime (11440740803) and next prime (11440740827).

It is not a de Polignac number, because 11440740815 - 2²⁰ = 11439692239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 598166 + ... + 616995.

It is an arithmetic number, because the mean of its divisors is an integer number (984281220).

Almost surely, 2^11440740815 is an apocalyptic number.

11440740815 is a deficient number, since it is larger than the sum of its proper divisors (4307758705).

11440740815 is a wasteful number, since it uses less digits than its factorization.

11440740815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215442.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 11440740815 in words is "eleven billion, four hundred forty million, seven hundred forty thousand, eight hundred fifteen".