11122778394445 has 8 divisors (see below), whose sum is σ = 13347351974880. Its totient is φ = 8898210781200.

The previous prime is 11122778394407. The next prime is 11122778394473. The reversal of 11122778394445 is 54449387722111.

11122778394445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11122778394445 - 2¹⁹ = 11122777870157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11122778394445.

It is a congruent 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, 6548386 + ... + 8070124.

It is an arithmetic number, because the mean of its divisors is an integer number (1668418996860).

Almost surely, 2^{11122778394445} is an apocalyptic number.

It is an amenable number.

11122778394445 is a deficient number, since it is larger than the sum of its proper divisors (2224573580435).

11122778394445 is a wasteful number, since it uses less digits than its factorization.

11122778394445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983595.

The product of its digits is 13547520, while the sum is 58.

The spelling of 11122778394445 in words is "eleven trillion, one hundred twenty-two billion, seven hundred seventy-eight million, three hundred ninety-four thousand, four hundred forty-five".