11949624778839 has 8 divisors (see below), whose sum is σ = 17381272405632. Its totient is φ = 7242196835640.

The previous prime is 11949624778837. The next prime is 11949624778873. The reversal of 11949624778839 is 93887742694911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11949624778839 - 2¹ = 11949624778837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949624778837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181054920859 + ... + 181054920924.

It is an arithmetic number, because the mean of its divisors is an integer number (2172659050704).

Almost surely, 2^{11949624778839} is an apocalyptic number.

11949624778839 is a deficient number, since it is larger than the sum of its proper divisors (5431647626793).

11949624778839 is a wasteful number, since it uses less digits than its factorization.

11949624778839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362109841797.

The product of its digits is 1316818944, while the sum is 78.

The spelling of 11949624778839 in words is "eleven trillion, nine hundred forty-nine billion, six hundred twenty-four million, seven hundred seventy-eight thousand, eight hundred thirty-nine".