1050503121355 has 8 divisors (see below), whose sum is σ = 1279418727312. Its totient is φ = 827859175968.

The previous prime is 1050503121347. The next prime is 1050503121359. The reversal of 1050503121355 is 5531213050501.

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

It is not a de Polignac number, because 1050503121355 - 2³ = 1050503121347 is a prime.

It is a super-2 number, since 2×1050503121355² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050503121359) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1567914772 + ... + 1567915441.

It is an arithmetic number, because the mean of its divisors is an integer number (159927340914).

Almost surely, 2^{1050503121355} is an apocalyptic number.

1050503121355 is a deficient number, since it is larger than the sum of its proper divisors (228915605957).

1050503121355 is an equidigital number, since it uses as much as digits as its factorization.

1050503121355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135830285.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 1050503121355 its reverse (5531213050501), we get a palindrome (6581716171856).

The spelling of 1050503121355 in words is "one trillion, fifty billion, five hundred three million, one hundred twenty-one thousand, three hundred fifty-five".