1122265605552 has 160 divisors (see below), whose sum is σ = 3778125184512. Its totient is φ = 278571405312.

The previous prime is 1122265605511. The next prime is 1122265605557. The reversal of 1122265605552 is 2555065622211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1122265605557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7482478 + ... + 7630989.

Almost surely, 2^{1122265605552} is an apocalyptic number.

1122265605552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122265605552 is an abundant number, since it is smaller than the sum of its proper divisors (2655859578960).

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

1122265605552 is a wasteful number, since it uses less digits than its factorization.

1122265605552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113515 (or 15113509 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 1122265605552 in words is "one trillion, one hundred twenty-two billion, two hundred sixty-five million, six hundred five thousand, five hundred fifty-two".