1002145345551 has 12 divisors (see below), whose sum is σ = 1654335173712. Its totient is φ = 572654483136.

The previous prime is 1002145345507. The next prime is 1002145345571. The reversal of 1002145345551 is 1555435412001.

1002145345551 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 14 + 53 + 45 + 551 = 666.

It is not a de Polignac number, because 1002145345551 - 2⁷ = 1002145345423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002145345571) 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 11 ways as a sum of consecutive naturals, for example, 7953534426 + ... + 7953534551.

It is an arithmetic number, because the mean of its divisors is an integer number (137861264476).

Almost surely, 2^{1002145345551} is an apocalyptic number.

1002145345551 is a deficient number, since it is larger than the sum of its proper divisors (652189828161).

1002145345551 is a wasteful number, since it uses less digits than its factorization.

1002145345551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15907068990 (or 15907068987 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 1002145345551 in words is "one trillion, two billion, one hundred forty-five million, three hundred forty-five thousand, five hundred fifty-one".