11611057 has 2 divisors, whose sum is σ = 11611058. Its totient is φ = 11611056.

The previous prime is 11611043. The next prime is 11611063. The reversal of 11611057 is 75011611.

11611057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 2825761 = 2964^2 + 1681^2 .

It is an emirp because it is prime and its reverse (75011611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11611057 - 2¹⁵ = 11578289 is a prime.

It is the 3408-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (11611037) by changing a digit.

It is a nontrivial repunit in base 3407.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805528 + 5805529.

It is an arithmetic number, because the mean of its divisors is an integer number (5805529).

Almost surely, 2^11611057 is an apocalyptic number.

It is an amenable number.

11611057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611057 is an equidigital number, since it uses as much as digits as its factorization.

11611057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 11611057 is about 3407.5001100514. The cubic root of 11611057 is about 226.4421409422.

Adding to 11611057 its reverse (75011611), we get a palindrome (86622668).

The spelling of 11611057 in words is "eleven million, six hundred eleven thousand, fifty-seven".