11555925 has 12 divisors (see below), whose sum is σ = 19105920. Its totient is φ = 6163120.

The previous prime is 11555911. The next prime is 11555941. The reversal of 11555925 is 52955511.

It is not a de Polignac number, because 11555925 - 2⁴ = 11555909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76965 + ... + 77114.

It is an arithmetic number, because the mean of its divisors is an integer number (1592160).

Almost surely, 2^11555925 is an apocalyptic number.

11555925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11555925 is a deficient number, since it is larger than the sum of its proper divisors (7549995).

11555925 is a wasteful number, since it uses less digits than its factorization.

11555925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154092 (or 154087 counting only the distinct ones).

The product of its digits is 11250, while the sum is 33.

The square root of 11555925 is about 3399.4006824733. The cubic root of 11555925 is about 226.0831721962.

The spelling of 11555925 in words is "eleven million, five hundred fifty-five thousand, nine hundred twenty-five".