11458415865 has 32 divisors (see below), whose sum is σ = 19852874496. Its totient is φ = 5609882880.

The previous prime is 11458415851. The next prime is 11458415867. The reversal of 11458415865 is 56851485411.

It is not a de Polignac number, because 11458415865 - 2¹⁴ = 11458399481 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11458415867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127029 + ... + 197618.

It is an arithmetic number, because the mean of its divisors is an integer number (620402328).

Almost surely, 2^11458415865 is an apocalyptic number.

11458415865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11458415865 is a deficient number, since it is larger than the sum of its proper divisors (8394458631).

11458415865 is a wasteful number, since it uses less digits than its factorization.

11458415865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324849.

The product of its digits is 768000, while the sum is 48.

The spelling of 11458415865 in words is "eleven billion, four hundred fifty-eight million, four hundred fifteen thousand, eight hundred sixty-five".