11952261066 has 32 divisors (see below), whose sum is σ = 24322603968. Its totient is φ = 3914547840.

The previous prime is 11952260959. The next prime is 11952261067. The reversal of 11952261066 is 66016225911.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11952261067) 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, 331665 + ... + 365931.

It is an arithmetic number, because the mean of its divisors is an integer number (760081374).

Almost surely, 2^11952261066 is an apocalyptic number.

11952261066 is an abundant number, since it is smaller than the sum of its proper divisors (12370342902).

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

11952261066 is a wasteful number, since it uses less digits than its factorization.

11952261066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35286.

The product of its (nonzero) digits is 38880, while the sum is 39.

Adding to 11952261066 its reverse (66016225911), we get a palindrome (77968486977).

The spelling of 11952261066 in words is "eleven billion, nine hundred fifty-two million, two hundred sixty-one thousand, sixty-six".