11671939225 has 6 divisors (see below), whose sum is σ = 14473204670. Its totient is φ = 9337551360.

The previous prime is 11671939187. The next prime is 11671939241. The reversal of 11671939225 is 52293917611.

It can be written as a sum of positive squares in 3 ways, for example, as 1819193104 + 9852746121 = 42652^2 + 99261^2 .

It is not a de Polignac number, because 11671939225 - 2²³ = 11663550617 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 233438760 + ... + 233438809.

Almost surely, 2^11671939225 is an apocalyptic number.

It is an amenable number.

11671939225 is a deficient number, since it is larger than the sum of its proper divisors (2801265445).

11671939225 is an equidigital number, since it uses as much as digits as its factorization.

11671939225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466877579 (or 466877574 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The spelling of 11671939225 in words is "eleven billion, six hundred seventy-one million, nine hundred thirty-nine thousand, two hundred twenty-five".