11123400678895 has 16 divisors (see below), whose sum is σ = 13361199853248. Its totient is φ = 8889975681280.

The previous prime is 11123400678883. The next prime is 11123400678911. The reversal of 11123400678895 is 59887600432111.

It is not a de Polignac number, because 11123400678895 - 2¹⁷ = 11123400547823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86417685 + ... + 86546305.

It is an arithmetic number, because the mean of its divisors is an integer number (835074990828).

It is a 2-persistent number, because it is pandigital, and so is 2⋅11123400678895 = 22246801357790, but 3⋅11123400678895 = 33370202036685 is not.

Almost surely, 2^{11123400678895} is an apocalyptic number.

11123400678895 is a deficient number, since it is larger than the sum of its proper divisors (2237799174353).

11123400678895 is a wasteful number, since it uses less digits than its factorization.

11123400678895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145490.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 11123400678895 in words is "eleven trillion, one hundred twenty-three billion, four hundred million, six hundred seventy-eight thousand, eight hundred ninety-five".