1056077780005 has 8 divisors (see below), whose sum is σ = 1267347595032. Its totient is φ = 844826051328.

The previous prime is 1056077779993. The next prime is 1056077780027. The reversal of 1056077780005 is 5000877706501.

It can be written as a sum of positive squares in 4 ways, for example, as 22394823201 + 1033682956804 = 149649^2 + 1016702^2 .

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 1056077780005 - 2²³ = 1056069391397 is a prime.

It is a super-2 number, since 2×1056077780005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4392792 + ... + 4626961.

It is an arithmetic number, because the mean of its divisors is an integer number (158418449379).

Almost surely, 2^{1056077780005} is an apocalyptic number.

It is an amenable number.

1056077780005 is a deficient number, since it is larger than the sum of its proper divisors (211269815027).

1056077780005 is an equidigital number, since it uses as much as digits as its factorization.

1056077780005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043175.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 1056077780005 in words is "one trillion, fifty-six billion, seventy-seven million, seven hundred eighty thousand, five".