11867056854 has 16 divisors (see below), whose sum is σ = 23757648240. Its totient is φ = 3951763200.

The previous prime is 11867056847. The next prime is 11867056889. The reversal of 11867056854 is 45865076811.

It is a junction number, because it is equal to n+sod(n) for n = 11867056797 and 11867056806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974047 + ... + 986154.

It is an arithmetic number, because the mean of its divisors is an integer number (1484853015).

Almost surely, 2^11867056854 is an apocalyptic number.

11867056854 is an abundant number, since it is smaller than the sum of its proper divisors (11890591386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11867056854 is a wasteful number, since it uses less digits than its factorization.

11867056854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961215.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 11867056854 in words is "eleven billion, eight hundred sixty-seven million, fifty-six thousand, eight hundred fifty-four".