11712895828 has 12 divisors (see below), whose sum is σ = 20601617652. Its totient is φ = 5826719360.

The previous prime is 11712895801. The next prime is 11712895837. The reversal of 11712895828 is 82859821711.

It can be written as a sum of positive squares in 2 ways, for example, as 10614768784 + 1098127044 = 103028^2 + 33138^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7431253 + ... + 7432828.

It is an arithmetic number, because the mean of its divisors is an integer number (1716801471).

Almost surely, 2^11712895828 is an apocalyptic number.

It is an amenable number.

11712895828 is a deficient number, since it is larger than the sum of its proper divisors (8888721824).

11712895828 is a wasteful number, since it uses less digits than its factorization.

11712895828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14864282 (or 14864280 counting only the distinct ones).

The product of its digits is 645120, while the sum is 52.

The spelling of 11712895828 in words is "eleven billion, seven hundred twelve million, eight hundred ninety-five thousand, eight hundred twenty-eight".