12533601111 has 16 divisors (see below), whose sum is σ = 16787685888. Its totient is φ = 8317713600.

The previous prime is 12533601109. The next prime is 12533601127. The reversal of 12533601111 is 11110633521.

It is not a de Polignac number, because 12533601111 - 2¹ = 12533601109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533601011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580296 + ... + 601506.

It is an arithmetic number, because the mean of its divisors is an integer number (1049230368).

Almost surely, 2^12533601111 is an apocalyptic number.

12533601111 is a deficient number, since it is larger than the sum of its proper divisors (4254084777).

12533601111 is a wasteful number, since it uses less digits than its factorization.

12533601111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102.

The product of its (nonzero) digits is 540, while the sum is 24.

The spelling of 12533601111 in words is "twelve billion, five hundred thirty-three million, six hundred one thousand, one hundred eleven".