1050551389999 has 8 divisors (see below), whose sum is σ = 1105936835840. Its totient is φ = 995175270936.

The previous prime is 1050551389973. The next prime is 1050551390033. The reversal of 1050551389999 is 9999831550501.

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

It is a cyclic number.

It is not a de Polignac number, because 1050551389999 - 2³⁷ = 913112436527 is a prime.

It is a super-2 number, since 2×1050551389999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050551389999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050551389919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099889 + ... + 2551594.

It is an arithmetic number, because the mean of its divisors is an integer number (138242104480).

Almost surely, 2^{1050551389999} is an apocalyptic number.

1050551389999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1050551389999 is a deficient number, since it is larger than the sum of its proper divisors (55385445841).

1050551389999 is a wasteful number, since it uses less digits than its factorization.

1050551389999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663389.

The product of its (nonzero) digits is 19683000, while the sum is 64.

The spelling of 1050551389999 in words is "one trillion, fifty billion, five hundred fifty-one million, three hundred eighty-nine thousand, nine hundred ninety-nine".