56113111 has 2 divisors, whose sum is σ = 56113112. Its totient is φ = 56113110.

The previous prime is 56113097. The next prime is 56113117. The reversal of 56113111 is 11131165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56113111 - 2¹¹ = 56111063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56113117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28056555 + 28056556.

It is an arithmetic number, because the mean of its divisors is an integer number (28056556).

Almost surely, 2^56113111 is an apocalyptic number.

56113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

56113111 is an equidigital number, since it uses as much as digits as its factorization.

56113111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 19.

The square root of 56113111 is about 7490.8685077233. The cubic root of 56113111 is about 382.8436508906.

Adding to 56113111 its reverse (11131165), we get a palindrome (67244276).

It can be divided in two parts, 5 and 6113111, that added together give a palindrome (6113116).

The spelling of 56113111 in words is "fifty-six million, one hundred thirteen thousand, one hundred eleven".