1605423111152 has 20 divisors (see below), whose sum is σ = 3554865460656. Its totient is φ = 688038476160.

The previous prime is 1605423111151. The next prime is 1605423111211. The reversal of 1605423111152 is 2511113245061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605423111151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7167067349 + ... + 7167067572.

Almost surely, 2^{1605423111152} is an apocalyptic number.

It is an amenable number.

1605423111152 is an abundant number, since it is smaller than the sum of its proper divisors (1949442349504).

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

1605423111152 is a wasteful number, since it uses less digits than its factorization.

1605423111152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334134936 (or 14334134930 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 1605423111152 in words is "one trillion, six hundred five billion, four hundred twenty-three million, one hundred eleven thousand, one hundred fifty-two".