80111619000 has 768 divisors, whose sum is σ = 340172352000. Its totient is φ = 17342035200.

The previous prime is 80111618989. The next prime is 80111619031. The reversal of 80111619000 is 91611108.

It is a super-2 number, since 2×80111619000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25135407 + ... + 25138593.

It is an arithmetic number, because the mean of its divisors is an integer number (442932750).

Almost surely, 2^80111619000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80111619000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170086176000).

80111619000 is an abundant number, since it is smaller than the sum of its proper divisors (260060733000).

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

80111619000 is a wasteful number, since it uses less digits than its factorization.

80111619000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 80111619000 in words is "eighty billion, one hundred eleven million, six hundred nineteen thousand".