11111227778395 has 8 divisors (see below), whose sum is σ = 13334218203456. Its totient is φ = 8888485643136.

The previous prime is 11111227778383. The next prime is 11111227778423. The reversal of 11111227778395 is 59387772211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111227778395 - 2⁷ = 11111227778267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61973982 + ... + 62153011.

It is an arithmetic number, because the mean of its divisors is an integer number (1666777275432).

Almost surely, 2^{11111227778395} is an apocalyptic number.

11111227778395 is a deficient number, since it is larger than the sum of its proper divisors (2222990425061).

11111227778395 is a wasteful number, since it uses less digits than its factorization.

11111227778395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124144901.

The product of its digits is 1481760, while the sum is 55.

The spelling of 11111227778395 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-seven million, seven hundred seventy-eight thousand, three hundred ninety-five".