5481380628765 has 24 divisors (see below), whose sum is σ = 9501134262360. Its totient is φ = 2923380077184.

The previous prime is 5481380628751. The next prime is 5481380628797. The reversal of 5481380628765 is 5678260831845.

5481380628765 is a `hidden beast` number, since 5 + 481 + 3 + 80 + 6 + 2 + 8 + 76 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27352859769 + 5454027768996 = 165387^2 + 2335386^2 .

It is not a de Polignac number, because 5481380628765 - 2¹¹ = 5481380626717 is a prime.

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, 6418971 + ... + 7222599.

It is an arithmetic number, because the mean of its divisors is an integer number (395880594265).

Almost surely, 2^{5481380628765} is an apocalyptic number.

It is an amenable number.

5481380628765 is a deficient number, since it is larger than the sum of its proper divisors (4019753633595).

5481380628765 is a wasteful number, since it uses less digits than its factorization.

5481380628765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955213 (or 955210 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 5481380628765 in words is "five trillion, four hundred eighty-one billion, three hundred eighty million, six hundred twenty-eight thousand, seven hundred sixty-five".