111361005011 has 2 divisors, whose sum is σ = 111361005012. Its totient is φ = 111361005010.

The previous prime is 111361004921. The next prime is 111361005017. The reversal of 111361005011 is 110500163111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111361005011 is a prime.

It is a super-2 number, since 2×111361005011² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111361005017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680502505 + 55680502506.

It is an arithmetic number, because the mean of its divisors is an integer number (55680502506).

Almost surely, 2^111361005011 is an apocalyptic number.

111361005011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111361005011 is an equidigital number, since it uses as much as digits as its factorization.

111361005011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

Adding to 111361005011 its reverse (110500163111), we get a palindrome (221861168122).

The spelling of 111361005011 in words is "one hundred eleven billion, three hundred sixty-one million, five thousand, eleven".