1056111051165 has 16 divisors (see below), whose sum is σ = 1689943704768. Its totient is φ = 563203886336.

The previous prime is 1056111051133. The next prime is 1056111051209. The reversal of 1056111051165 is 5611501116501.

It is a cyclic number.

It is not a de Polignac number, because 1056111051165 - 2⁵ = 1056111051133 is a prime.

It is a super-2 number, since 2×1056111051165² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300819 + ... + 3606608.

It is an arithmetic number, because the mean of its divisors is an integer number (105621481548).

Almost surely, 2^{1056111051165} is an apocalyptic number.

1056111051165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056111051165 is a deficient number, since it is larger than the sum of its proper divisors (633832653603).

1056111051165 is a wasteful number, since it uses less digits than its factorization.

1056111051165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917628.

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 1056111051165 its reverse (5611501116501), we get a palindrome (6667612167666).

The spelling of 1056111051165 in words is "one trillion, fifty-six billion, one hundred eleven million, fifty-one thousand, one hundred sixty-five".