11857028894 has 32 divisors (see below), whose sum is σ = 18310406400. Its totient is φ = 5755381632.

The previous prime is 11857028837. The next prime is 11857028923. The reversal of 11857028894 is 49882075811.

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, 17359877 + ... + 17360559.

It is an arithmetic number, because the mean of its divisors is an integer number (572200200).

Almost surely, 2^11857028894 is an apocalyptic number.

11857028894 is a deficient number, since it is larger than the sum of its proper divisors (6453377506).

11857028894 is a wasteful number, since it uses less digits than its factorization.

11857028894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 11857028894 in words is "eleven billion, eight hundred fifty-seven million, twenty-eight thousand, eight hundred ninety-four".