1020105567051 has 8 divisors (see below), whose sum is σ = 1360159969344. Its totient is φ = 680060771400.

The previous prime is 1020105567017. The next prime is 1020105567071. The reversal of 1020105567051 is 1507655010201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020105567051 - 2²¹ = 1020103469899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020105567071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150125 + ... + 2581326.

It is an arithmetic number, because the mean of its divisors is an integer number (170019996168).

Almost surely, 2^{1020105567051} is an apocalyptic number.

1020105567051 is a deficient number, since it is larger than the sum of its proper divisors (340054402293).

1020105567051 is an equidigital number, since it uses as much as digits as its factorization.

1020105567051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803321.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 1020105567051 in words is "one trillion, twenty billion, one hundred five million, five hundred sixty-seven thousand, fifty-one".