11845861240 has 16 divisors (see below), whose sum is σ = 26653187880. Its totient is φ = 4738344480.

The previous prime is 11845861229. The next prime is 11845861243. The reversal of 11845861240 is 4216854811.

11845861240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 296146531 = 11845861240 / (1 + 1 + 8 + 4 + 5 + 8 + 6 + 1 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11845861193 and 11845861202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845861243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148073226 + ... + 148073305.

Almost surely, 2^11845861240 is an apocalyptic number.

11845861240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11845861240 is an abundant number, since it is smaller than the sum of its proper divisors (14807326640).

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

11845861240 is a wasteful number, since it uses less digits than its factorization.

11845861240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296146542 (or 296146538 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 11845861240 in words is "eleven billion, eight hundred forty-five million, eight hundred sixty-one thousand, two hundred forty".