11918256958 has 8 divisors (see below), whose sum is σ = 18818300520. Its totient is φ = 5645490120.

The previous prime is 11918256949. The next prime is 11918257003. The reversal of 11918256958 is 85965281911.

It is a happy number.

11918256958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11918256899 and 11918256908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156819133 + ... + 156819208.

It is an arithmetic number, because the mean of its divisors is an integer number (2352287565).

Almost surely, 2^11918256958 is an apocalyptic number.

11918256958 is a deficient number, since it is larger than the sum of its proper divisors (6900043562).

11918256958 is a wasteful number, since it uses less digits than its factorization.

11918256958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313638362.

The product of its digits is 1555200, while the sum is 55.

The spelling of 11918256958 in words is "eleven billion, nine hundred eighteen million, two hundred fifty-six thousand, nine hundred fifty-eight".