11464257487 has 4 divisors (see below), whose sum is σ = 12067639480. Its totient is φ = 10860875496.

The previous prime is 11464257461. The next prime is 11464257523. The reversal of 11464257487 is 78475246411.

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 11464257487 - 2⁷ = 11464257359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11464257487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11464252487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301690968 + ... + 301691005.

It is an arithmetic number, because the mean of its divisors is an integer number (3016909870).

Almost surely, 2^11464257487 is an apocalyptic number.

11464257487 is a deficient number, since it is larger than the sum of its proper divisors (603381993).

11464257487 is an equidigital number, since it uses as much as digits as its factorization.

11464257487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603381992.

The product of its digits is 1505280, while the sum is 49.

The spelling of 11464257487 in words is "eleven billion, four hundred sixty-four million, two hundred fifty-seven thousand, four hundred eighty-seven".