1163540035603 has 8 divisors (see below), whose sum is σ = 1282402139760. Its totient is φ = 1046858887680.

The previous prime is 1163540035549. The next prime is 1163540035621. The reversal of 1163540035603 is 3065300453611.

It is a happy number.

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 1163540035603 - 2²⁵ = 1163506481171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163540035103) 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, 545237938 + ... + 545240071.

It is an arithmetic number, because the mean of its divisors is an integer number (160300267470).

Almost surely, 2^{1163540035603} is an apocalyptic number.

1163540035603 is a deficient number, since it is larger than the sum of its proper divisors (118862104157).

1163540035603 is a wasteful number, since it uses less digits than its factorization.

1163540035603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090478117.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 1163540035603 in words is "one trillion, one hundred sixty-three billion, five hundred forty million, thirty-five thousand, six hundred three".