1428012113885 has 24 divisors (see below), whose sum is σ = 1993760218080. Its totient is φ = 979025629344.

The previous prime is 1428012113863. The next prime is 1428012113903. The reversal of 1428012113885 is 5883112108241.

It is not a de Polignac number, because 1428012113885 - 2⁶ = 1428012113821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778826 + ... + 1860804.

It is an arithmetic number, because the mean of its divisors is an integer number (83073342420).

Almost surely, 2^{1428012113885} is an apocalyptic number.

It is an amenable number.

1428012113885 is a deficient number, since it is larger than the sum of its proper divisors (565748104195).

1428012113885 is a wasteful number, since it uses less digits than its factorization.

1428012113885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087385 (or 1087378 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 1428012113885 in words is "one trillion, four hundred twenty-eight billion, twelve million, one hundred thirteen thousand, eight hundred eighty-five".