2064811115520 has 352 divisors, whose sum is σ = 7516961303040. Its totient is φ = 537185157120.

The previous prime is 2064811115519. The next prime is 2064811115531. The reversal of 2064811115520 is 255111184602.

2064811115520 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 8 + 11 + 115 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5485689 + ... + 5849991.

Almost surely, 2^{2064811115520} is an apocalyptic number.

2064811115520 is a gapful number since it is divisible by the number (20) 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 2064811115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3758480651520).

2064811115520 is an abundant number, since it is smaller than the sum of its proper divisors (5452150187520).

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

2064811115520 is a wasteful number, since it uses less digits than its factorization.

2064811115520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364378 (or 364354 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 2064811115520 in words is "two trillion, sixty-four billion, eight hundred eleven million, one hundred fifteen thousand, five hundred twenty".