11111234456779 has 16 divisors (see below), whose sum is σ = 11805277068000. Its totient is φ = 10437929961984.

The previous prime is 11111234456731. The next prime is 11111234456843. The reversal of 11111234456779 is 97765443211111.

It is a cyclic number.

It is not a de Polignac number, because 11111234456779 - 2¹¹ = 11111234454731 is a prime.

It is a super-3 number, since 3×11111234456779³ (a number of 40 digits) contains 333 as substring.

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 (11111237456779) 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, 87545964 + ... + 87672790.

It is an arithmetic number, because the mean of its divisors is an integer number (737829816750).

Almost surely, 2^{11111234456779} is an apocalyptic number.

11111234456779 is a deficient number, since it is larger than the sum of its proper divisors (694042611221).

11111234456779 is a wasteful number, since it uses less digits than its factorization.

11111234456779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208542.

The product of its digits is 1270080, while the sum is 52.

The spelling of 11111234456779 in words is "eleven trillion, one hundred eleven billion, two hundred thirty-four million, four hundred fifty-six thousand, seven hundred seventy-nine".