1097503326403 has 16 divisors (see below), whose sum is σ = 1208983007232. Its totient is φ = 987976080000.

The previous prime is 1097503326391. The next prime is 1097503326419. The reversal of 1097503326403 is 3046233057901.

It is a happy number.

1097503326403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1097503326403 - 2¹³ = 1097503318211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1097503326403.

It is not an unprimeable number, because it can be changed into a prime (1097503326433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24723678 + ... + 24768028.

It is an arithmetic number, because the mean of its divisors is an integer number (75561437952).

Almost surely, 2^{1097503326403} is an apocalyptic number.

1097503326403 is a deficient number, since it is larger than the sum of its proper divisors (111479680829).

1097503326403 is a wasteful number, since it uses less digits than its factorization.

1097503326403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66306.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 1097503326403 in words is "one trillion, ninety-seven billion, five hundred three million, three hundred twenty-six thousand, four hundred three".