1163325557403 has 48 divisors (see below), whose sum is σ = 1796721937920. Its totient is φ = 723520828800.

The previous prime is 1163325557389. The next prime is 1163325557413. The reversal of 1163325557403 is 3047555233611.

1163325557403 is a `hidden beast` number, since 1 + 1 + 6 + 33 + 25 + 557 + 40 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1163325557403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163325557413) 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 47 ways as a sum of consecutive naturals, for example, 31137108 + ... + 31174446.

It is an arithmetic number, because the mean of its divisors is an integer number (37431707040).

Almost surely, 2^{1163325557403} is an apocalyptic number.

1163325557403 is a deficient number, since it is larger than the sum of its proper divisors (633396380517).

1163325557403 is a wasteful number, since it uses less digits than its factorization.

1163325557403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41080 (or 41077 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 1163325557403 in words is "one trillion, one hundred sixty-three billion, three hundred twenty-five million, five hundred fifty-seven thousand, four hundred three".