1420100046155 has 24 divisors (see below), whose sum is σ = 1982987784432. Its totient is φ = 973466515392.

The previous prime is 1420100046149. The next prime is 1420100046163. The reversal of 1420100046155 is 5516400010241.

It is not a de Polignac number, because 1420100046155 - 2¹² = 1420100042059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184712 + ... + 1695381.

It is an arithmetic number, because the mean of its divisors is an integer number (82624491018).

Almost surely, 2^{1420100046155} is an apocalyptic number.

1420100046155 is a deficient number, since it is larger than the sum of its proper divisors (562887738277).

1420100046155 is a wasteful number, since it uses less digits than its factorization.

1420100046155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883195 (or 1883188 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1420100046155 its reverse (5516400010241), we get a palindrome (6936500056396).

The spelling of 1420100046155 in words is "one trillion, four hundred twenty billion, one hundred million, forty-six thousand, one hundred fifty-five".