3420103042505 has 32 divisors (see below), whose sum is σ = 4296572812800. Its totient is φ = 2610690331392.

The previous prime is 3420103042501. The next prime is 3420103042519. The reversal of 3420103042505 is 5052403010243.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3420103042505 - 2² = 3420103042501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3420103042501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21285056 + ... + 21445134.

It is an arithmetic number, because the mean of its divisors is an integer number (134267900400).

Almost surely, 2^{3420103042505} is an apocalyptic number.

It is an amenable number.

3420103042505 is a deficient number, since it is larger than the sum of its proper divisors (876469770295).

3420103042505 is a wasteful number, since it uses less digits than its factorization.

3420103042505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162353.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 3420103042505 its reverse (5052403010243), we get a palindrome (8472506052748).

The spelling of 3420103042505 in words is "three trillion, four hundred twenty billion, one hundred three million, forty-two thousand, five hundred five".