4515971781080 has 128 divisors (see below), whose sum is σ = 11123882668800. Its totient is φ = 1644114931200.

The previous prime is 4515971781073. The next prime is 4515971781103. The reversal of 4515971781080 is 801871795154.

It is a happy number.

It is a super-2 number, since 2×4515971781080² (a number of 26 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 31 ways as a sum of consecutive naturals, for example, 860795 + ... + 3126165.

It is an arithmetic number, because the mean of its divisors is an integer number (86905333350).

Almost surely, 2^{4515971781080} is an apocalyptic number.

4515971781080 is a gapful number since it is divisible by the number (40) 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 4515971781080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5561941334400).

4515971781080 is an abundant number, since it is smaller than the sum of its proper divisors (6607910887720).

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

4515971781080 is a wasteful number, since it uses less digits than its factorization.

4515971781080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265505 (or 2265501 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 56.

The spelling of 4515971781080 in words is "four trillion, five hundred fifteen billion, nine hundred seventy-one million, seven hundred eighty-one thousand, eighty".