8061315019776 has 264 divisors, whose sum is σ = 23802075469224. Its totient is φ = 2626843115520.

The previous prime is 8061315019759. The next prime is 8061315019789. The reversal of 8061315019776 is 6779105131608.

8061315019776 is a `hidden beast` number, since 8 + 0 + 61 + 3 + 1 + 501 + 9 + 7 + 76 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1508534194176 + 6552780825600 = 1228224^2 + 2559840^2 .

It is a super-2 number, since 2×8061315019776² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135270306 + ... + 135329886.

Almost surely, 2^{8061315019776} 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 8061315019776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11901037734612).

8061315019776 is an abundant number, since it is smaller than the sum of its proper divisors (15740760449448).

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

8061315019776 is a wasteful number, since it uses less digits than its factorization.

8061315019776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59937 (or 59916 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 8061315019776 in words is "eight trillion, sixty-one billion, three hundred fifteen million, nineteen thousand, seven hundred seventy-six".