1051008805518 has 64 divisors (see below), whose sum is σ = 2533579069440. Its totient is φ = 283939528032.

The previous prime is 1051008805493. The next prime is 1051008805591. The reversal of 1051008805518 is 8155088001501.

It is a super-2 number, since 2×1051008805518² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1051008805518.

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 31 ways as a sum of consecutive naturals, for example, 841780 + ... + 1676487.

It is an arithmetic number, because the mean of its divisors is an integer number (39587172960).

Almost surely, 2^{1051008805518} is an apocalyptic number.

1051008805518 is an abundant number, since it is smaller than the sum of its proper divisors (1482570263922).

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

1051008805518 is a wasteful number, since it uses less digits than its factorization.

1051008805518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518821.

The product of its (nonzero) digits is 64000, while the sum is 42.

The spelling of 1051008805518 in words is "one trillion, fifty-one billion, eight million, eight hundred five thousand, five hundred eighteen".