11111233456779 has 8 divisors (see below), whose sum is σ = 14824408233792. Its totient is φ = 7402773825480.

The previous prime is 11111233456769. The next prime is 11111233456861. The reversal of 11111233456779 is 97765433211111.

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

It is not a de Polignac number, because 11111233456779 - 2⁸ = 11111233456523 is a prime.

It is a super-2 number, since 2×11111233456779² (a number of 27 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11111233456769) 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, 1178780929 + ... + 1178790354.

It is an arithmetic number, because the mean of its divisors is an integer number (1853051029224).

Almost surely, 2^{11111233456779} is an apocalyptic number.

11111233456779 is a deficient number, since it is larger than the sum of its proper divisors (3713174777013).

11111233456779 is a wasteful number, since it uses less digits than its factorization.

11111233456779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357572857.

The product of its digits is 952560, while the sum is 51.

The spelling of 11111233456779 in words is "eleven trillion, one hundred eleven billion, two hundred thirty-three million, four hundred fifty-six thousand, seven hundred seventy-nine".