11057660 has 12 divisors (see below), whose sum is σ = 23221128. Its totient is φ = 4423056.

The previous prime is 11057647. The next prime is 11057689. The reversal of 11057660 is 6675011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276422 + ... + 276461.

It is an arithmetic number, because the mean of its divisors is an integer number (1935094).

Almost surely, 2^11057660 is an apocalyptic number.

11057660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11057660 is an abundant number, since it is smaller than the sum of its proper divisors (12163468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057660 is a wasteful number, since it uses less digits than its factorization.

11057660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552892 (or 552890 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 11057660 is about 3325.3060009569. The cubic root of 11057660 is about 222.7859220305.

The spelling of 11057660 in words is "eleven million, fifty-seven thousand, six hundred sixty".