1065065642920 has 64 divisors (see below), whose sum is σ = 2536684128000. Its totient is φ = 401769731328.

The previous prime is 1065065642863. The next prime is 1065065643017. The reversal of 1065065642920 is 292465605601.

It is a super-2 number, since 2×1065065642920² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10626400 + ... + 10726159.

It is an arithmetic number, because the mean of its divisors is an integer number (39635689500).

Almost surely, 2^{1065065642920} is an apocalyptic number.

1065065642920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065065642920 is an abundant number, since it is smaller than the sum of its proper divisors (1471618485080).

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

1065065642920 is a wasteful number, since it uses less digits than its factorization.

1065065642920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352642 (or 21352638 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 1065065642920 in words is "one trillion, sixty-five billion, sixty-five million, six hundred forty-two thousand, nine hundred twenty".