11927405951899 has 4 divisors (see below), whose sum is σ = 11968113822336. Its totient is φ = 11886698081464.

The previous prime is 11927405951897. The next prime is 11927405951911. The reversal of 11927405951899 is 99815950472911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11927405951899 - 2¹ = 11927405951897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11927405951897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20353934779 + ... + 20353935364.

It is an arithmetic number, because the mean of its divisors is an integer number (2992028455584).

Almost surely, 2^{11927405951899} is an apocalyptic number.

11927405951899 is a deficient number, since it is larger than the sum of its proper divisors (40707870437).

11927405951899 is an equidigital number, since it uses as much as digits as its factorization.

11927405951899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40707870436.

The product of its (nonzero) digits is 73483200, while the sum is 70.

The spelling of 11927405951899 in words is "eleven trillion, nine hundred twenty-seven billion, four hundred five million, nine hundred fifty-one thousand, eight hundred ninety-nine".