30453205665505 has 16 divisors (see below), whose sum is σ = 42352627279104. Its totient is φ = 20588082701760.

The previous prime is 30453205665479. The next prime is 30453205665529. The reversal of 30453205665505 is 50556650235403.

It is not a de Polignac number, because 30453205665505 - 2¹⁹ = 30453205141217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6127403082 + ... + 6127408051.

It is an arithmetic number, because the mean of its divisors is an integer number (2647039204944).

Almost surely, 2^{30453205665505} is an apocalyptic number.

30453205665505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30453205665505 is a deficient number, since it is larger than the sum of its proper divisors (11899421613599).

30453205665505 is a wasteful number, since it uses less digits than its factorization.

30453205665505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254811216.

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 30453205665505 in words is "thirty trillion, four hundred fifty-three billion, two hundred five million, six hundred sixty-five thousand, five hundred five".