11115023791 has 2 divisors, whose sum is σ = 11115023792. Its totient is φ = 11115023790.

The previous prime is 11115023783. The next prime is 11115023797. The reversal of 11115023791 is 19732051111.

It is a strong prime.

It is an emirp because it is prime and its reverse (19732051111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115023791 - 2³ = 11115023783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115023797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557511895 + 5557511896.

It is an arithmetic number, because the mean of its divisors is an integer number (5557511896).

Almost surely, 2^11115023791 is an apocalyptic number.

11115023791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115023791 is an equidigital number, since it uses as much as digits as its factorization.

11115023791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 31.

The spelling of 11115023791 in words is "eleven billion, one hundred fifteen million, twenty-three thousand, seven hundred ninety-one".