1050551390000 has 200 divisors, whose sum is σ = 3007087548960. Its totient is φ = 347768064000.

The previous prime is 1050551389973. The next prime is 1050551390033. The reversal of 1050551390000 is 931550501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×1050551390000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1771244 + ... + 2288756.

Almost surely, 2^{1050551390000} is an apocalyptic number.

1050551390000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050551390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503543774480).

1050551390000 is an abundant number, since it is smaller than the sum of its proper divisors (1956536158960).

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

1050551390000 is an equidigital number, since it uses as much as digits as its factorization.

1050551390000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517577 (or 517556 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 29.

The spelling of 1050551390000 in words is "one trillion, fifty billion, five hundred fifty-one million, three hundred ninety thousand".