101551104 has 88 divisors (see below), whose sum is σ = 300827120. Its totient is φ = 33841152.

The previous prime is 101551091. The next prime is 101551111. The reversal of 101551104 is 401155101.

It is a happy number.

101551104 is a `hidden beast` number, since 10 + 1 + 551 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25812 + ... + 29484.

It is an arithmetic number, because the mean of its divisors is an integer number (3418490).

Almost surely, 2^101551104 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 101551104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150413560).

101551104 is an abundant number, since it is smaller than the sum of its proper divisors (199276016).

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

101551104 is an equidigital number, since it uses as much as digits as its factorization.

101551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702 (or 3678 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 101551104 is about 10077.2567695777. The cubic root of 101551104 is about 466.5464434070.

The spelling of 101551104 in words is "one hundred one million, five hundred fifty-one thousand, one hundred four".