11458657887 has 4 divisors (see below), whose sum is σ = 15278210520. Its totient is φ = 7639105256.

The previous prime is 11458657879. The next prime is 11458657897. The reversal of 11458657887 is 78875685411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11458657887 - 2³ = 11458657879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11458657887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11458657817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909776312 + ... + 1909776317.

It is an arithmetic number, because the mean of its divisors is an integer number (3819552630).

Almost surely, 2^11458657887 is an apocalyptic number.

11458657887 is a deficient number, since it is larger than the sum of its proper divisors (3819552633).

11458657887 is an equidigital number, since it uses as much as digits as its factorization.

11458657887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819552632.

The product of its digits is 15052800, while the sum is 60.

The spelling of 11458657887 in words is "eleven billion, four hundred fifty-eight million, six hundred fifty-seven thousand, eight hundred eighty-seven".