11667473099 has 4 divisors (see below), whose sum is σ = 12353795064. Its totient is φ = 10981151136.

The previous prime is 11667473071. The next prime is 11667473101. The reversal of 11667473099 is 99037476611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99037476611 = 19 ⋅5212498769.

It is a cyclic number.

It is not a de Polignac number, because 11667473099 - 2²⁴ = 11650695883 is a prime.

It is a super-2 number, since 2×11667473099² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11667473099.

It is not an unprimeable number, because it can be changed into a prime (11667473009) 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, 343160957 + ... + 343160990.

It is an arithmetic number, because the mean of its divisors is an integer number (3088448766).

Almost surely, 2^11667473099 is an apocalyptic number.

11667473099 is a deficient number, since it is larger than the sum of its proper divisors (686321965).

11667473099 is an equidigital number, since it uses as much as digits as its factorization.

11667473099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686321964.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 11667473099 in words is "eleven billion, six hundred sixty-seven million, four hundred seventy-three thousand, ninety-nine".