15775082880 has 256 divisors, whose sum is σ = 53349753600. Its totient is φ = 3953664000.

The previous prime is 15775082863. The next prime is 15775082881. The reversal of 15775082880 is 8828057751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15775082881) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4777230 + ... + 4780530.

It is an arithmetic number, because the mean of its divisors is an integer number (208397475).

Almost surely, 2^15775082880 is an apocalyptic number.

15775082880 is a gapful number since it is divisible by the number (10) 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 15775082880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26674876800).

15775082880 is an abundant number, since it is smaller than the sum of its proper divisors (37574670720).

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

15775082880 is a wasteful number, since it uses less digits than its factorization.

15775082880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The spelling of 15775082880 in words is "fifteen billion, seven hundred seventy-five million, eighty-two thousand, eight hundred eighty".