11839800961 has 8 divisors (see below), whose sum is σ = 12505489920. Its totient is φ = 11178366192.

The previous prime is 11839800937. The next prime is 11839800983. The reversal of 11839800961 is 16900893811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11839800961 - 2¹¹ = 11839798913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11839800911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057825 + ... + 1068958.

It is an arithmetic number, because the mean of its divisors is an integer number (1563186240).

Almost surely, 2^11839800961 is an apocalyptic number.

It is an amenable number.

11839800961 is a deficient number, since it is larger than the sum of its proper divisors (665688959).

11839800961 is a wasteful number, since it uses less digits than its factorization.

11839800961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127095.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 11839800961 in words is "eleven billion, eight hundred thirty-nine million, eight hundred thousand, nine hundred sixty-one".