16203112235145 has 24 divisors (see below), whose sum is σ = 30638612227392. Its totient is φ = 7856054416800.

The previous prime is 16203112235117. The next prime is 16203112235147. The reversal of 16203112235145 is 54153221130261.

16203112235145 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 3 + 112 + 23 + 514 + 5 = 666.

It is not a de Polignac number, because 16203112235145 - 2⁹ = 16203112234633 is a prime.

It is a super-2 number, since 2×16203112235145² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16203112235147) 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 23 ways as a sum of consecutive naturals, for example, 16366779541 + ... + 16366780530.

It is an arithmetic number, because the mean of its divisors is an integer number (1276608842808).

Almost surely, 2^{16203112235145} is an apocalyptic number.

16203112235145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16203112235145 is a deficient number, since it is larger than the sum of its proper divisors (14435499992247).

16203112235145 is a wasteful number, since it uses less digits than its factorization.

16203112235145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32733560093 (or 32733560090 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 16203112235145 in words is "sixteen trillion, two hundred three billion, one hundred twelve million, two hundred thirty-five thousand, one hundred forty-five".