11858783040 has 336 divisors, whose sum is σ = 44094855168. Its totient is φ = 2907942912.

The previous prime is 11858783033. The next prime is 11858783077. The reversal of 11858783040 is 4038785811.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14339107 + ... + 14339933.

It is an arithmetic number, because the mean of its divisors is an integer number (131234688).

Almost surely, 2^11858783040 is an apocalyptic number.

11858783040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11858783040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22047427584).

11858783040 is an abundant number, since it is smaller than the sum of its proper divisors (32236072128).

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

11858783040 is a wasteful number, since it uses less digits than its factorization.

11858783040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 11858783040 in words is "eleven billion, eight hundred fifty-eight million, seven hundred eighty-three thousand, forty".