11331110051 has 2 divisors, whose sum is σ = 11331110052. Its totient is φ = 11331110050.

The previous prime is 11331109997. The next prime is 11331110059. The reversal of 11331110051 is 15001113311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11331110051 - 2¹⁸ = 11330847907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11331110059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665555025 + 5665555026.

It is an arithmetic number, because the mean of its divisors is an integer number (5665555026).

Almost surely, 2^11331110051 is an apocalyptic number.

11331110051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331110051 is an equidigital number, since it uses as much as digits as its factorization.

11331110051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

Adding to 11331110051 its reverse (15001113311), we get a palindrome (26332223362).

The spelling of 11331110051 in words is "eleven billion, three hundred thirty-one million, one hundred ten thousand, fifty-one".