11848634637840 has 1920 divisors, whose sum is σ = 58711942195200. Its totient is φ = 2152998973440.

The previous prime is 11848634637809. The next prime is 11848634637841. The reversal of 11848634637840 is 4873643684811.

11848634637840 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 8 + 63 + 463 + 78 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (11848634637841) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 287546679 + ... + 287587881.

It is an arithmetic number, because the mean of its divisors is an integer number (30579136560).

Almost surely, 2^{11848634637840} is an apocalyptic number.

11848634637840 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 11848634637840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29355971097600).

11848634637840 is an abundant number, since it is smaller than the sum of its proper divisors (46863307557360).

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

11848634637840 is a wasteful number, since it uses less digits than its factorization.

11848634637840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41282 (or 41263 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 11848634637840 in words is "eleven trillion, eight hundred forty-eight billion, six hundred thirty-four million, six hundred thirty-seven thousand, eight hundred forty".