11123400679 has 8 divisors (see below), whose sum is σ = 12397598640. Its totient is φ = 9918078336.

The previous prime is 11123400671. The next prime is 11123400697. The reversal of 11123400679 is 97600432111.

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 11123400679 - 2³ = 11123400671 is a prime.

It is a super-2 number, since 2×11123400679² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123400671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17218564 + ... + 17219209.

It is an arithmetic number, because the mean of its divisors is an integer number (1549699830).

Almost surely, 2^11123400679 is an apocalyptic number.

11123400679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11123400679 is a deficient number, since it is larger than the sum of its proper divisors (1274197961).

11123400679 is a wasteful number, since it uses less digits than its factorization.

11123400679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437809.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 11123400679 in words is "eleven billion, one hundred twenty-three million, four hundred thousand, six hundred seventy-nine".