1016782054401 has 4 divisors (see below), whose sum is σ = 1355709405872. Its totient is φ = 677854702932.

The previous prime is 1016782054399. The next prime is 1016782054429. The reversal of 1016782054401 is 1044502876101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1016782054401 - 2¹ = 1016782054399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1016782054401.

It is not an unprimeable number, because it can be changed into a prime (1016782056401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169463675731 + ... + 169463675736.

It is an arithmetic number, because the mean of its divisors is an integer number (338927351468).

Almost surely, 2^{1016782054401} is an apocalyptic number.

It is an amenable number.

1016782054401 is a deficient number, since it is larger than the sum of its proper divisors (338927351471).

1016782054401 is an equidigital number, since it uses as much as digits as its factorization.

1016782054401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338927351470.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 1016782054401 in words is "one trillion, sixteen billion, seven hundred eighty-two million, fifty-four thousand, four hundred one".