11457718005 has 8 divisors (see below), whose sum is σ = 18332348832. Its totient is φ = 6110782928.

The previous prime is 11457717989. The next prime is 11457718033. The reversal of 11457718005 is 50081775411.

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 11457718005 - 2⁴ = 11457717989 is a prime.

It is a congruent 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, 381923919 + ... + 381923948.

It is an arithmetic number, because the mean of its divisors is an integer number (2291543604).

Almost surely, 2^11457718005 is an apocalyptic number.

11457718005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11457718005 is a deficient number, since it is larger than the sum of its proper divisors (6874630827).

11457718005 is an equidigital number, since it uses as much as digits as its factorization.

11457718005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763847875.

The product of its (nonzero) digits is 39200, while the sum is 39.

The spelling of 11457718005 in words is "eleven billion, four hundred fifty-seven million, seven hundred eighteen thousand, five".