11667289445 has 16 divisors (see below), whose sum is σ = 16024314240. Its totient is φ = 7988697024.

The previous prime is 11667289441. The next prime is 11667289451. The reversal of 11667289445 is 54498276611.

It is a happy number.

It is not a de Polignac number, because 11667289445 - 2² = 11667289441 is a prime.

It is a super-2 number, since 2×11667289445² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667289441) 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, 220130 + ... + 267939.

It is an arithmetic number, because the mean of its divisors is an integer number (1001519640).

Almost surely, 2^11667289445 is an apocalyptic number.

It is an amenable number.

11667289445 is a deficient number, since it is larger than the sum of its proper divisors (4357024795).

11667289445 is an equidigital number, since it uses as much as digits as its factorization.

11667289445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488764.

The product of its digits is 2903040, while the sum is 53.

The spelling of 11667289445 in words is "eleven billion, six hundred sixty-seven million, two hundred eighty-nine thousand, four hundred forty-five".