11408973264487 has 4 divisors (see below), whose sum is σ = 11408989357480. Its totient is φ = 11408957171496.

The previous prime is 11408973264461. The next prime is 11408973264497. The reversal of 11408973264487 is 78446237980411.

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 11408973264487 - 2⁴³ = 2612880242279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11408973264407) 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, 6931593 + ... + 8418130.

It is an arithmetic number, because the mean of its divisors is an integer number (2852247339370).

Almost surely, 2^{11408973264487} is an apocalyptic number.

11408973264487 is a deficient number, since it is larger than the sum of its proper divisors (16092993).

11408973264487 is an equidigital number, since it uses as much as digits as its factorization.

11408973264487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092992.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 11408973264487 in words is "eleven trillion, four hundred eight billion, nine hundred seventy-three million, two hundred sixty-four thousand, four hundred eighty-seven".