11674154209 has 9 divisors (see below), whose sum is σ = 11799844563. Its totient is φ = 11549792112.

The previous prime is 11674154207. The next prime is 11674154213. The reversal of 11674154209 is 90245147611.

It is a happy number.

The square root of 11674154209 is 108047.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10587792609 + 1086361600 = 102897^2 + 32960^2 .

It is not a de Polignac number, because 11674154209 - 2¹ = 11674154207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11674154207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11128317 + ... + 11129365.

Almost surely, 2^11674154209 is an apocalyptic number.

11674154209 is the 108047-th square number.

11674154209 is the 54024-th centered octagonal number.

It is an amenable number.

11674154209 is a deficient number, since it is larger than the sum of its proper divisors (125690354).

11674154209 is an frugal number, since it uses more digits than its factorization.

11674154209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 11674154209 in words is "eleven billion, six hundred seventy-four million, one hundred fifty-four thousand, two hundred nine".