11698291643220 has 960 divisors, whose sum is σ = 47213812800000. Its totient is φ = 2407949752320.

The previous prime is 11698291643167. The next prime is 11698291643251. The reversal of 11698291643220 is 2234619289611.

It is a happy number.

11698291643220 is a `hidden beast` number, since 1 + 1 + 6 + 98 + 291 + 6 + 43 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 296147031 + ... + 296186529.

It is an arithmetic number, because the mean of its divisors is an integer number (49181055000).

Almost surely, 2^{11698291643220} is an apocalyptic number.

11698291643220 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 11698291643220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23606906400000).

11698291643220 is an abundant number, since it is smaller than the sum of its proper divisors (35515521156780).

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

11698291643220 is a wasteful number, since it uses less digits than its factorization.

11698291643220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39595 (or 39570 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 11698291643220 in words is "eleven trillion, six hundred ninety-eight billion, two hundred ninety-one million, six hundred forty-three thousand, two hundred twenty".