11771925 has 48 divisors (see below), whose sum is σ = 22379520. Its totient is φ = 5400000.

The previous prime is 11771923. The next prime is 11771927. The reversal of 11771925 is 52917711.

It is an interprime number because it is at equal distance from previous prime (11771923) and next prime (11771927).

It is not a de Polignac number, because 11771925 - 2¹ = 11771923 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11771923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15300 + ... + 16050.

It is an arithmetic number, because the mean of its divisors is an integer number (466240).

Almost surely, 2^11771925 is an apocalyptic number.

11771925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11771925 is a deficient number, since it is larger than the sum of its proper divisors (10607595).

11771925 is a wasteful number, since it uses less digits than its factorization.

11771925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 789 counting only the distinct ones).

The product of its digits is 4410, while the sum is 33.

The square root of 11771925 is about 3431.0238996544. The cubic root of 11771925 is about 227.4831127021.

The spelling of 11771925 in words is "eleven million, seven hundred seventy-one thousand, nine hundred twenty-five".