1420105613561 has 8 divisors (see below), whose sum is σ = 1438059225600. Its totient is φ = 1402196387680.

The previous prime is 1420105613501. The next prime is 1420105613579. The reversal of 1420105613561 is 1653165010241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420105613561 - 2⁶ = 1420105613497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420105613501) 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 7 ways as a sum of consecutive naturals, for example, 11032145 + ... + 11160126.

It is an arithmetic number, because the mean of its divisors is an integer number (179757403200).

Almost surely, 2^{1420105613561} is an apocalyptic number.

It is an amenable number.

1420105613561 is a deficient number, since it is larger than the sum of its proper divisors (17953612039).

1420105613561 is an equidigital number, since it uses as much as digits as its factorization.

1420105613561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193079.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 1420105613561 in words is "one trillion, four hundred twenty billion, one hundred five million, six hundred thirteen thousand, five hundred sixty-one".