11115620011 has 2 divisors, whose sum is σ = 11115620012. Its totient is φ = 11115620010.

The previous prime is 11115619981. The next prime is 11115620057. The reversal of 11115620011 is 11002651111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11115620011 - 2¹⁹ = 11115095723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11115620111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557810005 + 5557810006.

It is an arithmetic number, because the mean of its divisors is an integer number (5557810006).

Almost surely, 2^11115620011 is an apocalyptic number.

11115620011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115620011 is an equidigital number, since it uses as much as digits as its factorization.

11115620011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 19.

It can be divided in two parts, 11115 and 620011, that added together give a triangular number (631126 = T₁₁₂₃).

The spelling of 11115620011 in words is "eleven billion, one hundred fifteen million, six hundred twenty thousand, eleven".