1051056161159 has 4 divisors (see below), whose sum is σ = 1051184959440. Its totient is φ = 1050927362880.

The previous prime is 1051056161143. The next prime is 1051056161161. The reversal of 1051056161159 is 9511616501501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051056161159 - 2⁴ = 1051056161143 is a prime.

It is a super-2 number, since 2×1051056161159² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051056160159) 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, 64386899 + ... + 64403220.

It is an arithmetic number, because the mean of its divisors is an integer number (262796239860).

Almost surely, 2^{1051056161159} is an apocalyptic number.

1051056161159 is a deficient number, since it is larger than the sum of its proper divisors (128798281).

1051056161159 is an equidigital number, since it uses as much as digits as its factorization.

1051056161159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128798280.

The product of its (nonzero) digits is 40500, while the sum is 41.

The spelling of 1051056161159 in words is "one trillion, fifty-one billion, fifty-six million, one hundred sixty-one thousand, one hundred fifty-nine".