1005720760567 has 4 divisors (see below), whose sum is σ = 1005815641536. Its totient is φ = 1005625879600.

The previous prime is 1005720760523. The next prime is 1005720760619. The reversal of 1005720760567 is 7650670275001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005720760567 is a prime.

It is a super-2 number, since 2×1005720760567² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005720760507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47424583 + ... + 47445784.

It is an arithmetic number, because the mean of its divisors is an integer number (251453910384).

Almost surely, 2^{1005720760567} is an apocalyptic number.

1005720760567 is a deficient number, since it is larger than the sum of its proper divisors (94880969).

1005720760567 is an equidigital number, since it uses as much as digits as its factorization.

1005720760567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94880968.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 1005720760567 in words is "one trillion, five billion, seven hundred twenty million, seven hundred sixty thousand, five hundred sixty-seven".