11315640459 has 8 divisors (see below), whose sum is σ = 15099285312. Its totient is φ = 7537877960.

The previous prime is 11315640449. The next prime is 11315640463. The reversal of 11315640459 is 95404651311.

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

It is a cyclic number.

It is not a de Polignac number, because 11315640459 - 2⁹ = 11315639947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11315640449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466097 + ... + 1473794.

It is an arithmetic number, because the mean of its divisors is an integer number (1887410664).

Almost surely, 2^11315640459 is an apocalyptic number.

11315640459 is a deficient number, since it is larger than the sum of its proper divisors (3783644853).

11315640459 is a wasteful number, since it uses less digits than its factorization.

11315640459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941177.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 11315640459 in words is "eleven billion, three hundred fifteen million, six hundred forty thousand, four hundred fifty-nine".