11601233534 has 64 divisors (see below), whose sum is σ = 21228480000. Its totient is φ = 4689822720.

The previous prime is 11601233533. The next prime is 11601233549. The reversal of 11601233534 is 43533210611.

It is a super-2 number, since 2×11601233534² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11601233497 and 11601233506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601233531) 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, 705842 + ... + 722090.

It is an arithmetic number, because the mean of its divisors is an integer number (331695000).

Almost surely, 2^11601233534 is an apocalyptic number.

11601233534 is a deficient number, since it is larger than the sum of its proper divisors (9627246466).

11601233534 is a wasteful number, since it uses less digits than its factorization.

11601233534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 11601233534 in words is "eleven billion, six hundred one million, two hundred thirty-three thousand, five hundred thirty-four".