1111111134779 has 8 divisors (see below), whose sum is σ = 1159634478240. Its totient is φ = 1062605638336.

The previous prime is 1111111134751. The next prime is 1111111134817. The reversal of 1111111134779 is 9774311111111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111111134779 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111111134709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4334444 + ... + 4583625.

It is an arithmetic number, because the mean of its divisors is an integer number (144954309780).

Almost surely, 2^{1111111134779} is an apocalyptic number.

1111111134779 is a deficient number, since it is larger than the sum of its proper divisors (48523343461).

1111111134779 is an equidigital number, since it uses as much as digits as its factorization.

1111111134779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923509.

The product of its digits is 5292, while the sum is 38.

The spelling of 1111111134779 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred thirty-four thousand, seven hundred seventy-nine".