1051065010665 has 24 divisors (see below), whose sum is σ = 1821905205120. Its totient is φ = 560549794464.

The previous prime is 1051065010627. The next prime is 1051065010693. The reversal of 1051065010665 is 5660105601501.

1051065010665 is a `hidden beast` number, since 10 + 510 + 65 + 0 + 10 + 6 + 65 = 666.

It is not a de Polignac number, because 1051065010665 - 2¹² = 1051065006569 is a prime.

It is a super-2 number, since 2×1051065010665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083106 + ... + 1809764.

It is an arithmetic number, because the mean of its divisors is an integer number (75912716880).

Almost surely, 2^{1051065010665} is an apocalyptic number.

1051065010665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051065010665 is a deficient number, since it is larger than the sum of its proper divisors (770840194455).

1051065010665 is a wasteful number, since it uses less digits than its factorization.

1051065010665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758813 (or 758810 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1051065010665 in words is "one trillion, fifty-one billion, sixty-five million, ten thousand, six hundred sixty-five".