11862856724 has 12 divisors (see below), whose sum is σ = 20974020564. Its totient is φ = 5870279424.

The previous prime is 11862856703. The next prime is 11862856781. The reversal of 11862856724 is 42765826811.

It can be written as a sum of positive squares in 2 ways, for example, as 4062787600 + 7800069124 = 63740^2 + 88318^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15286799 + ... + 15287574.

It is an arithmetic number, because the mean of its divisors is an integer number (1747835047).

Almost surely, 2^11862856724 is an apocalyptic number.

It is an amenable number.

11862856724 is a deficient number, since it is larger than the sum of its proper divisors (9111163840).

11862856724 is a wasteful number, since it uses less digits than its factorization.

11862856724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30574474 (or 30574472 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The spelling of 11862856724 in words is "eleven billion, eight hundred sixty-two million, eight hundred fifty-six thousand, seven hundred twenty-four".