1612563453103 has 4 divisors (see below), whose sum is σ = 1614522826288. Its totient is φ = 1610604079920.

The previous prime is 1612563453101. The next prime is 1612563453107. The reversal of 1612563453103 is 3013543652161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1612563453103 - 2¹ = 1612563453101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612563453101) 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, 979685358 + ... + 979687003.

It is an arithmetic number, because the mean of its divisors is an integer number (403630706572).

Almost surely, 2^{1612563453103} is an apocalyptic number.

1612563453103 is a deficient number, since it is larger than the sum of its proper divisors (1959373185).

1612563453103 is an equidigital number, since it uses as much as digits as its factorization.

1612563453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959373184.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 1612563453103 in words is "one trillion, six hundred twelve billion, five hundred sixty-three million, four hundred fifty-three thousand, one hundred three".