11418851958 has 16 divisors (see below), whose sum is σ = 24181098480. Its totient is φ = 3582384896.

The previous prime is 11418851921. The next prime is 11418851999. The reversal of 11418851958 is 85915881411.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 11418851958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55974663 + ... + 55974866.

It is an arithmetic number, because the mean of its divisors is an integer number (1511318655).

Almost surely, 2^11418851958 is an apocalyptic number.

11418851958 is an abundant number, since it is smaller than the sum of its proper divisors (12762246522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11418851958 is a wasteful number, since it uses less digits than its factorization.

11418851958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111949551.

The product of its digits is 460800, while the sum is 51.

The spelling of 11418851958 in words is "eleven billion, four hundred eighteen million, eight hundred fifty-one thousand, nine hundred fifty-eight".