1002154050522 has 128 divisors (see below), whose sum is σ = 2413175846400. Its totient is φ = 307127116800.

The previous prime is 1002154050439. The next prime is 1002154050553. The reversal of 1002154050522 is 2250504512001.

1002154050522 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 154 + 0 + 505 + 2 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7033872 + ... + 7174932.

It is an arithmetic number, because the mean of its divisors is an integer number (18852936300).

Almost surely, 2^{1002154050522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002154050522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206587923200).

1002154050522 is an abundant number, since it is smaller than the sum of its proper divisors (1411021795878).

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

1002154050522 is a wasteful number, since it uses less digits than its factorization.

1002154050522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141269 (or 141263 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 1002154050522 its reverse (2250504512001), we get a palindrome (3252658562523).

The spelling of 1002154050522 in words is "one trillion, two billion, one hundred fifty-four million, fifty thousand, five hundred twenty-two".