155105010216 has 128 divisors (see below), whose sum is σ = 464806742400. Its totient is φ = 47640545280.

The previous prime is 155105010197. The next prime is 155105010233. The reversal of 155105010216 is 612010501551.

155105010216 is a `hidden beast` number, since 1 + 551 + 0 + 5 + 0 + 102 + 1 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155105010216.

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, 1555000 + ... + 1651736.

It is an arithmetic number, because the mean of its divisors is an integer number (3631302675).

Almost surely, 2^155105010216 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 155105010216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232403371200).

155105010216 is an abundant number, since it is smaller than the sum of its proper divisors (309701732184).

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

155105010216 is a wasteful number, since it uses less digits than its factorization.

155105010216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97336 (or 97326 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 155105010216 its reverse (612010501551), we get a palindrome (767115511767).

The spelling of 155105010216 in words is "one hundred fifty-five billion, one hundred five million, ten thousand, two hundred sixteen".