5111363911680 has 720 divisors, whose sum is σ = 19548756549504. Its totient is φ = 1227400151040.

The previous prime is 5111363911651. The next prime is 5111363911733. The reversal of 5111363911680 is 861193631115.

5111363911680 is a `hidden beast` number, since 5 + 1 + 1 + 1 + 3 + 639 + 1 + 1 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×5111363911680² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392963737 + ... + 392976743.

Almost surely, 2^{5111363911680} 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 5111363911680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9774378274752).

5111363911680 is an abundant number, since it is smaller than the sum of its proper divisors (14437392637824).

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

5111363911680 is a wasteful number, since it uses less digits than its factorization.

5111363911680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13100 (or 13071 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 5111363911680 in words is "five trillion, one hundred eleven billion, three hundred sixty-three million, nine hundred eleven thousand, six hundred eighty".