11707797312 has 84 divisors (see below), whose sum is σ = 34376851236. Its totient is φ = 3807406080.

The previous prime is 11707797307. The next prime is 11707797313. The reversal of 11707797312 is 21379770711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6050350656 + 5657446656 = 77784^2 + 75216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11707797313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224263 + ... + 271494.

It is an arithmetic number, because the mean of its divisors is an integer number (409248229).

Almost surely, 2^11707797312 is an apocalyptic number.

11707797312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11707797312 is an abundant number, since it is smaller than the sum of its proper divisors (22669053924).

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

11707797312 is a wasteful number, since it uses less digits than its factorization.

11707797312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495816 (or 495803 counting only the distinct ones).

The product of its (nonzero) digits is 129654, while the sum is 45.

The spelling of 11707797312 in words is "eleven billion, seven hundred seven million, seven hundred ninety-seven thousand, three hundred twelve".