1005255511122 has 16 divisors (see below), whose sum is σ = 2010686245920. Its totient is φ = 335055966432.

The previous prime is 1005255511111. The next prime is 1005255511129. The reversal of 1005255511122 is 2211155525001.

1005255511122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1005255511122.

It is not an unprimeable number, because it can be changed into a prime (1005255511129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226347 + ... + 7364142.

It is an arithmetic number, because the mean of its divisors is an integer number (125667890370).

Almost surely, 2^{1005255511122} is an apocalyptic number.

1005255511122 is an abundant number, since it is smaller than the sum of its proper divisors (1005430734798).

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

1005255511122 is a wasteful number, since it uses less digits than its factorization.

1005255511122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601977.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 1005255511122 in words is "one trillion, five billion, two hundred fifty-five million, five hundred eleven thousand, one hundred twenty-two".