11601663330453 has 24 divisors (see below), whose sum is σ = 17998912739808. Its totient is φ = 6627865428576.

The previous prime is 11601663330421. The next prime is 11601663330461. The reversal of 11601663330453 is 35403336610611.

It is a happy number.

It is not a de Polignac number, because 11601663330453 - 2⁵ = 11601663330421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601663330403) 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, 9269526 + ... + 10446407.

It is an arithmetic number, because the mean of its divisors is an integer number (749954697492).

Almost surely, 2^{11601663330453} is an apocalyptic number.

It is an amenable number.

11601663330453 is a deficient number, since it is larger than the sum of its proper divisors (6397249409355).

11601663330453 is a wasteful number, since it uses less digits than its factorization.

11601663330453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19719953 (or 19719946 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 11601663330453 in words is "eleven trillion, six hundred one billion, six hundred sixty-three million, three hundred thirty thousand, four hundred fifty-three".