7999001011 has 4 divisors (see below), whose sum is σ = 8014295992. Its totient is φ = 7983706032.

The previous prime is 7999000987. The next prime is 7999001047. The reversal of 7999001011 is 1101009997.

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

It is a cyclic number.

It is not a de Polignac number, because 7999001011 - 2¹¹ = 7998998963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7999001071) 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, 7646706 + ... + 7647751.

It is an arithmetic number, because the mean of its divisors is an integer number (2003573998).

Almost surely, 2^7999001011 is an apocalyptic number.

7999001011 is a deficient number, since it is larger than the sum of its proper divisors (15294981).

7999001011 is a wasteful number, since it uses less digits than its factorization.

7999001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294980.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 7999001011 is about 89437.1344073590. The cubic root of 7999001011 is about 1999.9167474512.

The spelling of 7999001011 in words is "seven billion, nine hundred ninety-nine million, one thousand, eleven".