11894066751 has 32 divisors (see below), whose sum is σ = 18927820800. Its totient is φ = 6495771744.

The previous prime is 11894066719. The next prime is 11894066773. The reversal of 11894066751 is 15766049811.

It is a happy number.

It is not a de Polignac number, because 11894066751 - 2⁵ = 11894066719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11894066751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894066251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619900 + ... + 638798.

It is an arithmetic number, because the mean of its divisors is an integer number (591494400).

Almost surely, 2^11894066751 is an apocalyptic number.

11894066751 is a deficient number, since it is larger than the sum of its proper divisors (7033754049).

11894066751 is a wasteful number, since it uses less digits than its factorization.

11894066751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 11894066751 in words is "eleven billion, eight hundred ninety-four million, sixty-six thousand, seven hundred fifty-one".