11650320042 has 32 divisors (see below), whose sum is σ = 24343562880. Its totient is φ = 3710034240.

The previous prime is 11650320037. The next prime is 11650320043. The reversal of 11650320042 is 24002305611.

It is a junction number, because it is equal to n+sod(n) for n = 11650319994 and 11650320021.

It is not an unprimeable number, because it can be changed into a prime (11650320043) 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, 61884 + ... + 164712.

It is an arithmetic number, because the mean of its divisors is an integer number (760736340).

Almost surely, 2^11650320042 is an apocalyptic number.

11650320042 is an abundant number, since it is smaller than the sum of its proper divisors (12693242838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11650320042 is a wasteful number, since it uses less digits than its factorization.

11650320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103678.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11650320042 its reverse (24002305611), we get a palindrome (35652625653).

The spelling of 11650320042 in words is "eleven billion, six hundred fifty million, three hundred twenty thousand, forty-two".