7155484876800 has 2688 divisors, whose sum is σ = 30943686144000. Its totient is φ = 1614820147200.

The previous prime is 7155484876789. The next prime is 7155484876801. The reversal of 7155484876800 is 86784845517.

It is a happy number.

7155484876800 is a `hidden beast` number, since 7 + 1 + 5 + 5 + 484 + 8 + 76 + 80 + 0 = 666.

It is a super-2 number, since 2×7155484876800² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155484876801) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 230822092785 + ... + 230822092815.

It is an arithmetic number, because the mean of its divisors is an integer number (11511788000).

Almost surely, 2^{7155484876800} 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 7155484876800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15471843072000).

7155484876800 is an abundant number, since it is smaller than the sum of its proper divisors (23788201267200).

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

7155484876800 is a wasteful number, since it uses less digits than its factorization.

7155484876800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 63.

The spelling of 7155484876800 in words is "seven trillion, one hundred fifty-five billion, four hundred eighty-four million, eight hundred seventy-six thousand, eight hundred".