10599090091 has 4 divisors (see below), whose sum is σ = 10607352552. Its totient is φ = 10590827632.

The previous prime is 10599090071. The next prime is 10599090097. The reversal of 10599090091 is 19009099501.

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 10599090091 - 2¹⁵ = 10599057323 is a prime.

It is a super-2 number, since 2×10599090091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10599090097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4129306 + ... + 4131871.

It is an arithmetic number, because the mean of its divisors is an integer number (2651838138).

Almost surely, 2^10599090091 is an apocalyptic number.

10599090091 is a deficient number, since it is larger than the sum of its proper divisors (8262461).

10599090091 is an equidigital number, since it uses as much as digits as its factorization.

10599090091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262460.

The product of its (nonzero) digits is 32805, while the sum is 43.

The spelling of 10599090091 in words is "ten billion, five hundred ninety-nine million, ninety thousand, ninety-one".