11845639026 has 24 divisors (see below), whose sum is σ = 27639824940. Its totient is φ = 3644811936.

The previous prime is 11845638979. The next prime is 11845639027. The reversal of 11845639026 is 62093654811.

11845639026 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 5 + 639 + 0 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9840838401 + 2004800625 = 99201^2 + 44775^2 .

It is not an unprimeable number, because it can be changed into a prime (11845639027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25310961 + ... + 25311428.

Almost surely, 2^11845639026 is an apocalyptic number.

11845639026 is an abundant number, since it is smaller than the sum of its proper divisors (15794185914).

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

11845639026 is a wasteful number, since it uses less digits than its factorization.

11845639026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50622410 (or 50622407 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 11845639026 in words is "eleven billion, eight hundred forty-five million, six hundred thirty-nine thousand, twenty-six".