11163660453 has 24 divisors (see below), whose sum is σ = 18626003136. Its totient is φ = 6367862400.

The previous prime is 11163660377. The next prime is 11163660491. The reversal of 11163660453 is 35406636111.

11163660453 is a `hidden beast` number, since 1 + 1 + 16 + 36 + 604 + 5 + 3 = 666.

It is not a de Polignac number, because 11163660453 - 2¹⁶ = 11163594917 is a prime.

It is a super-3 number, since 3×11163660453³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163662453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3314913 + ... + 3318278.

It is an arithmetic number, because the mean of its divisors is an integer number (776083464).

Almost surely, 2^11163660453 is an apocalyptic number.

It is an amenable number.

11163660453 is a deficient number, since it is larger than the sum of its proper divisors (7462342683).

11163660453 is a wasteful number, since it uses less digits than its factorization.

11163660453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633225 (or 6633222 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 11163660453 in words is "eleven billion, one hundred sixty-three million, six hundred sixty thousand, four hundred fifty-three".