10911057 has 16 divisors (see below), whose sum is σ = 14948928. Its totient is φ = 7076160.

The previous prime is 10911053. The next prime is 10911079. The reversal of 10911057 is 75011901.

It is not a de Polignac number, because 10911057 - 2² = 10911053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10911053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25707 + ... + 26127.

It is an arithmetic number, because the mean of its divisors is an integer number (934308).

Almost surely, 2^10911057 is an apocalyptic number.

It is an amenable number.

10911057 is a deficient number, since it is larger than the sum of its proper divisors (4037871).

10911057 is a wasteful number, since it uses less digits than its factorization.

10911057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 10911057 is about 3303.1889137620. The cubic root of 10911057 is about 221.7969696383.

Adding to 10911057 its reverse (75011901), we get a palindrome (85922958).

The spelling of 10911057 in words is "ten million, nine hundred eleven thousand, fifty-seven".