11458861447 has 4 divisors (see below), whose sum is σ = 12500576136. Its totient is φ = 10417146760.

The previous prime is 11458861417. The next prime is 11458861451. The reversal of 11458861447 is 74416885411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11458861447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11458861447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11458861417) 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, 520857328 + ... + 520857349.

It is an arithmetic number, because the mean of its divisors is an integer number (3125144034).

Almost surely, 2^11458861447 is an apocalyptic number.

11458861447 is a deficient number, since it is larger than the sum of its proper divisors (1041714689).

11458861447 is a wasteful number, since it uses less digits than its factorization.

11458861447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041714688.

The product of its digits is 860160, while the sum is 49.

The spelling of 11458861447 in words is "eleven billion, four hundred fifty-eight million, eight hundred sixty-one thousand, four hundred forty-seven".