1051000500018 has 32 divisors (see below), whose sum is σ = 2402388717696. Its totient is φ = 300273124608.

The previous prime is 1051000500001. The next prime is 1051000500079. The reversal of 1051000500018 is 8100050001501.

It is a super-2 number, since 2×1051000500018² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1051000499967 and 1051000500003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495130 + ... + 1532042.

It is an arithmetic number, because the mean of its divisors is an integer number (75074647428).

Almost surely, 2^{1051000500018} is an apocalyptic number.

1051000500018 is an abundant number, since it is smaller than the sum of its proper divisors (1351388217678).

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

1051000500018 is a wasteful number, since it uses less digits than its factorization.

1051000500018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061058.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 1051000500018 its reverse (8100050001501), we get a palindrome (9151050501519).

The spelling of 1051000500018 in words is "one trillion, fifty-one billion, five hundred thousand, eighteen".