1000056001611 has 4 divisors (see below), whose sum is σ = 1333408002152. Its totient is φ = 666704001072.

The previous prime is 1000056001601. The next prime is 1000056001691. The reversal of 1000056001611 is 1161006500001.

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

It is not a de Polignac number, because 1000056001611 - 2⁹ = 1000056001099 is a prime.

It is a super-2 number, since 2×1000056001611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000056001601) 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, 166676000266 + ... + 166676000271.

It is an arithmetic number, because the mean of its divisors is an integer number (333352000538).

Almost surely, 2^{1000056001611} is an apocalyptic number.

1000056001611 is a deficient number, since it is larger than the sum of its proper divisors (333352000541).

1000056001611 is an equidigital number, since it uses as much as digits as its factorization.

1000056001611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333352000540.

The product of its (nonzero) digits is 180, while the sum is 21.

The spelling of 1000056001611 in words is "one trillion, fifty-six million, one thousand, six hundred eleven".