1065011651000 has 128 divisors (see below), whose sum is σ = 2730881986560. Its totient is φ = 385539408000.

The previous prime is 1065011650933. The next prime is 1065011651017. The reversal of 1065011651000 is 1561105601.

It is a super-2 number, since 2×1065011651000² (a number of 25 digits) contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 2235917 + ... + 2670083.

It is an arithmetic number, because the mean of its divisors is an integer number (21335015520).

Almost surely, 2^{1065011651000} is an apocalyptic number.

1065011651000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065011651000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365440993280).

1065011651000 is an abundant number, since it is smaller than the sum of its proper divisors (1665870335560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065011651000 is a wasteful number, since it uses less digits than its factorization.

1065011651000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434422 (or 434408 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 1065011651000 its reverse (1561105601), we get a palindrome (1066572756601).

The spelling of 1065011651000 in words is "one trillion, sixty-five billion, eleven million, six hundred fifty-one thousand".