11954854949 has 8 divisors (see below), whose sum is σ = 11975509632. Its totient is φ = 11934220320.

The previous prime is 11954854927. The next prime is 11954854981. The reversal of 11954854949 is 94945845911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11954854949 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 (11954854649) 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, 1594289 + ... + 1601769.

It is an arithmetic number, because the mean of its divisors is an integer number (1496938704).

Almost surely, 2^11954854949 is an apocalyptic number.

It is an amenable number.

11954854949 is a deficient number, since it is larger than the sum of its proper divisors (20654683).

11954854949 is a wasteful number, since it uses less digits than its factorization.

11954854949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027.

The product of its digits is 9331200, while the sum is 59.

The spelling of 11954854949 in words is "eleven billion, nine hundred fifty-four million, eight hundred fifty-four thousand, nine hundred forty-nine".