11501316023 has 32 divisors (see below), whose sum is σ = 12288357312. Its totient is φ = 10749542400.

The previous prime is 11501316007. The next prime is 11501316031. The reversal of 11501316023 is 32061310511.

It is a cyclic number.

It is not a de Polignac number, because 11501316023 - 2⁴ = 11501316007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11501316023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501316523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47723183 + ... + 47723423.

It is an arithmetic number, because the mean of its divisors is an integer number (384011166).

Almost surely, 2^11501316023 is an apocalyptic number.

11501316023 is a deficient number, since it is larger than the sum of its proper divisors (787041289).

11501316023 is a wasteful number, since it uses less digits than its factorization.

11501316023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 11501316023 its reverse (32061310511), we get a palindrome (43562626534).

The spelling of 11501316023 in words is "eleven billion, five hundred one million, three hundred sixteen thousand, twenty-three".