1163434500203 has 8 divisors (see below), whose sum is σ = 1183185384000. Its totient is φ = 1143684671688.

The previous prime is 1163434500191. The next prime is 1163434500209. The reversal of 1163434500203 is 3020054343611.

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 1163434500203 - 2¹⁰ = 1163434499179 is a prime.

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 1163434500203.

It is not an unprimeable number, because it can be changed into a prime (1163434500209) 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, 2144948 + ... + 2632046.

It is an arithmetic number, because the mean of its divisors is an integer number (147898173000).

Almost surely, 2^{1163434500203} is an apocalyptic number.

1163434500203 is a deficient number, since it is larger than the sum of its proper divisors (19750883797).

1163434500203 is an equidigital number, since it uses as much as digits as its factorization.

1163434500203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527641.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1163434500203 its reverse (3020054343611), we get a palindrome (4183488843814).

The spelling of 1163434500203 in words is "one trillion, one hundred sixty-three billion, four hundred thirty-four million, five hundred thousand, two hundred three".