1000061051005 has 4 divisors (see below), whose sum is σ = 1200073261212. Its totient is φ = 800048840800.

The previous prime is 1000061050987. The next prime is 1000061051027. The reversal of 1000061051005 is 5001501600001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 599456868516 + 400604182489 = 774246^2 + 632933^2 .

It is not a de Polignac number, because 1000061051005 - 2⁹ = 1000061050493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100006105096 + ... + 100006105105.

It is an arithmetic number, because the mean of its divisors is an integer number (300018315303).

Almost surely, 2^{1000061051005} is an apocalyptic number.

It is an amenable number.

1000061051005 is a deficient number, since it is larger than the sum of its proper divisors (200012210207).

1000061051005 is an equidigital number, since it uses as much as digits as its factorization.

1000061051005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200012210206.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 1000061051005 its reverse (5001501600001), we get a palindrome (6001562651006).

The spelling of 1000061051005 in words is "one trillion, sixty-one million, fifty-one thousand, five".