11803619970 has 256 divisors, whose sum is σ = 33418344960. Its totient is φ = 2961100800.

The previous prime is 11803619959. The next prime is 11803620121. The reversal of 11803619970 is 7991630811.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65213280 + ... + 65213460.

It is an arithmetic number, because the mean of its divisors is an integer number (130540410).

Almost surely, 2^11803619970 is an apocalyptic number.

11803619970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11803619970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16709172480).

11803619970 is an abundant number, since it is smaller than the sum of its proper divisors (21614724990).

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

11803619970 is a wasteful number, since it uses less digits than its factorization.

11803619970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 11803619970 in words is "eleven billion, eight hundred three million, six hundred nineteen thousand, nine hundred seventy".