1780540055275 has 12 divisors (see below), whose sum is σ = 2208905806744. Its totient is φ = 1423763568000.

The previous prime is 1780540055221. The next prime is 1780540055297. The reversal of 1780540055275 is 5725500450871.

It is not a de Polignac number, because 1780540055275 - 2⁹ = 1780540054763 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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16657566 + ... + 16764115.

Almost surely, 2^{1780540055275} is an apocalyptic number.

1780540055275 is a deficient number, since it is larger than the sum of its proper divisors (428365751469).

1780540055275 is a wasteful number, since it uses less digits than its factorization.

1780540055275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33423822 (or 33423817 counting only the distinct ones).

The product of its (nonzero) digits is 1960000, while the sum is 49.

The spelling of 1780540055275 in words is "one trillion, seven hundred eighty billion, five hundred forty million, fifty-five thousand, two hundred seventy-five".