11965627770798 has 32 divisors (see below), whose sum is σ = 26000193242016. Its totient is φ = 3649149923328.

The previous prime is 11965627770793. The next prime is 11965627770823. The reversal of 11965627770798 is 89707772656911.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965627770793) 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, 678776515 + ... + 678794142.

It is an arithmetic number, because the mean of its divisors is an integer number (812506038813).

Almost surely, 2^{11965627770798} is an apocalyptic number.

11965627770798 is an abundant number, since it is smaller than the sum of its proper divisors (14034565471218).

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

11965627770798 is a wasteful number, since it uses less digits than its factorization.

11965627770798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357570788.

The product of its (nonzero) digits is 560105280, while the sum is 75.

The spelling of 11965627770798 in words is "eleven trillion, nine hundred sixty-five billion, six hundred twenty-seven million, seven hundred seventy thousand, seven hundred ninety-eight".