1125203321355 has 32 divisors (see below), whose sum is σ = 1805672342016. Its totient is φ = 598328527104.

The previous prime is 1125203321329. The next prime is 1125203321383. The reversal of 1125203321355 is 5531233025211.

It is not a de Polignac number, because 1125203321355 - 2¹¹ = 1125203319307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7401034 + ... + 7551536.

It is an arithmetic number, because the mean of its divisors is an integer number (56427260688).

Almost surely, 2^{1125203321355} is an apocalyptic number.

1125203321355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125203321355 is a deficient number, since it is larger than the sum of its proper divisors (680469020661).

1125203321355 is a wasteful number, since it uses less digits than its factorization.

1125203321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151987.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 1125203321355 its reverse (5531233025211), we get a palindrome (6656436346566).

The spelling of 1125203321355 in words is "one trillion, one hundred twenty-five billion, two hundred three million, three hundred twenty-one thousand, three hundred fifty-five".