11171768925 has 24 divisors (see below), whose sum is σ = 18473810656. Its totient is φ = 5957259840.

The previous prime is 11171768911. The next prime is 11171768953. The reversal of 11171768925 is 52986717111.

It is not a de Polignac number, because 11171768925 - 2²³ = 11163380317 is a prime.

It is a Duffinian number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 678642 + ... + 694908.

Almost surely, 2^11171768925 is an apocalyptic number.

11171768925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11171768925 is a deficient number, since it is larger than the sum of its proper divisors (7302041731).

11171768925 is a wasteful number, since it uses less digits than its factorization.

11171768925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25437 (or 25432 counting only the distinct ones).

The product of its digits is 211680, while the sum is 48.

The spelling of 11171768925 in words is "eleven billion, one hundred seventy-one million, seven hundred sixty-eight thousand, nine hundred twenty-five".