7999000001131 has 16 divisors (see below), whose sum is σ = 8267890892800. Its totient is φ = 7730794496160.

The previous prime is 7999000001081. The next prime is 7999000001171. The reversal of 7999000001131 is 1311000009997.

It is a cyclic number.

It is not a de Polignac number, because 7999000001131 - 2⁹ = 7999000000619 is a prime.

It is a super-2 number, since 2×7999000001131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7999000001171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73369246 + ... + 73478188.

It is an arithmetic number, because the mean of its divisors is an integer number (516743180800).

Almost surely, 2^{7999000001131} is an apocalyptic number.

7999000001131 is a deficient number, since it is larger than the sum of its proper divisors (268890891669).

7999000001131 is a wasteful number, since it uses less digits than its factorization.

7999000001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112066.

The product of its (nonzero) digits is 15309, while the sum is 40.

The spelling of 7999000001131 in words is "seven trillion, nine hundred ninety-nine billion, one thousand, one hundred thirty-one".