7799900011001 has 16 divisors (see below), whose sum is σ = 9104096964096. Its totient is φ = 6543192636096.

The previous prime is 7799900010989. The next prime is 7799900011021. The reversal of 7799900011001 is 1001100099977.

It is a cyclic number.

It is not a de Polignac number, because 7799900011001 - 2²² = 7799895816697 is a prime.

It is a super-2 number, since 2×7799900011001² (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 (7799900011021) 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, 11743535 + ... + 12389931.

It is an arithmetic number, because the mean of its divisors is an integer number (569006060256).

Almost surely, 2^{7799900011001} is an apocalyptic number.

It is an amenable number.

7799900011001 is a deficient number, since it is larger than the sum of its proper divisors (1304196953095).

7799900011001 is a wasteful number, since it uses less digits than its factorization.

7799900011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683128.

The product of its (nonzero) digits is 35721, while the sum is 44.

The spelling of 7799900011001 in words is "seven trillion, seven hundred ninety-nine billion, nine hundred million, eleven thousand, one".