11669534553 has 8 divisors (see below), whose sum is σ = 16474637088. Its totient is φ = 7322060864.

The previous prime is 11669534537. The next prime is 11669534579. The reversal of 11669534553 is 35543596611.

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 11669534553 - 2⁴ = 11669534537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11669534593) 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, 114407151 + ... + 114407252.

It is an arithmetic number, because the mean of its divisors is an integer number (2059329636).

Almost surely, 2^11669534553 is an apocalyptic number.

It is an amenable number.

11669534553 is a deficient number, since it is larger than the sum of its proper divisors (4805102535).

11669534553 is a wasteful number, since it uses less digits than its factorization.

11669534553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228814423.

The product of its digits is 1458000, while the sum is 48.

The spelling of 11669534553 in words is "eleven billion, six hundred sixty-nine million, five hundred thirty-four thousand, five hundred fifty-three".