1911960000000 has 960 divisors, whose sum is σ = 7106634931968. Its totient is φ = 494592000000.

The previous prime is 1911959999969. The next prime is 1911960000059. The reversal of 1911960000000 is 691191.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16919999944 + ... + 16920000056.

Almost surely, 2^{1911960000000} is an apocalyptic number.

1911960000000 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 1911960000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3553317465984).

1911960000000 is an abundant number, since it is smaller than the sum of its proper divisors (5194674931968).

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

1911960000000 is an frugal number, since it uses more digits than its factorization.

1911960000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

Adding to 1911960000000 its reverse (691191), we get a palindrome (1911960691191).

The spelling of 1911960000000 in words is "one trillion, nine hundred eleven billion, nine hundred sixty million", and thus it is an aban number.