5118894051942 has 256 divisors, whose sum is σ = 12738207744000. Its totient is φ = 1352070720000.

The previous prime is 5118894051937. The next prime is 5118894051983. The reversal of 5118894051942 is 2491504988115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 224985067 + ... + 225007817.

It is an arithmetic number, because the mean of its divisors is an integer number (49758624000).

Almost surely, 2^{5118894051942} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5118894051942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6369103872000).

5118894051942 is an abundant number, since it is smaller than the sum of its proper divisors (7619313692058).

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

5118894051942 is a wasteful number, since it uses less digits than its factorization.

5118894051942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23107.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 5118894051942 in words is "five trillion, one hundred eighteen billion, eight hundred ninety-four million, fifty-one thousand, nine hundred forty-two".