11874678841 has 3 divisors (see below), whose sum is σ = 11874787813. Its totient is φ = 11874569870.

The previous prime is 11874678839. The next prime is 11874678853. The reversal of 11874678841 is 14887647811.

The square root of 11874678841 is 108971.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14887647811 = 101929 ⋅146059.

It is not a de Polignac number, because 11874678841 - 2¹ = 11874678839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11874678811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54486 + ... + 163456.

Almost surely, 2^11874678841 is an apocalyptic number.

11874678841 is the 108971-st square number.

11874678841 is the 54486-th centered octagonal number.

It is an amenable number.

11874678841 is a deficient number, since it is larger than the sum of its proper divisors (108972).

11874678841 is an frugal number, since it uses more digits than its factorization.

11874678841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217942 (or 108971 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 55.

The spelling of 11874678841 in words is "eleven billion, eight hundred seventy-four million, six hundred seventy-eight thousand, eight hundred forty-one".