101550322080 has 288 divisors, whose sum is σ = 360809152704. Its totient is φ = 26972061696.

The previous prime is 101550322061. The next prime is 101550322091. The reversal of 101550322080 is 80223055101.

It is a happy number.

101550322080 is a `hidden beast` number, since 1 + 0 + 1 + 550 + 32 + 2 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9987079 + ... + 9997241.

It is an arithmetic number, because the mean of its divisors is an integer number (1252809558).

Almost surely, 2^101550322080 is an apocalyptic number.

101550322080 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 101550322080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180404576352).

101550322080 is an abundant number, since it is smaller than the sum of its proper divisors (259258830624).

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

101550322080 is a wasteful number, since it uses less digits than its factorization.

101550322080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450 (or 10430 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 101550322080 its reverse (80223055101), we get a palindrome (181773377181).

The spelling of 101550322080 in words is "one hundred one billion, five hundred fifty million, three hundred twenty-two thousand, eighty".