9925542091080 has 1600 divisors, whose sum is σ = 42630805958400. Its totient is φ = 2028571776000.

The previous prime is 9925542091067. The next prime is 9925542091117. The reversal of 9925542091080 is 801902455299.

9925542091080 is a `hidden beast` number, since 9 + 9 + 2 + 5 + 542 + 0 + 9 + 10 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 23576109270 + ... + 23576109690.

It is an arithmetic number, because the mean of its divisors is an integer number (26644253724).

Almost surely, 2^{9925542091080} is an apocalyptic number.

9925542091080 is a gapful number since it is divisible by the number (90) 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 9925542091080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21315402979200).

9925542091080 is an abundant number, since it is smaller than the sum of its proper divisors (32705263867320).

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

9925542091080 is a wasteful number, since it uses less digits than its factorization.

9925542091080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 9925542091080 in words is "nine trillion, nine hundred twenty-five billion, five hundred forty-two million, ninety-one thousand, eighty".