11122294987 has 2 divisors, whose sum is σ = 11122294988. Its totient is φ = 11122294986.

The previous prime is 11122294949. The next prime is 11122295003. The reversal of 11122294987 is 78949222111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122294987 is a prime.

It is a zygodrome in base 14.

It is not a weakly prime, because it can be changed into another prime (11122294487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561147493 + 5561147494.

It is an arithmetic number, because the mean of its divisors is an integer number (5561147494).

Almost surely, 2^11122294987 is an apocalyptic number.

11122294987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122294987 is an equidigital number, since it uses as much as digits as its factorization.

11122294987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 46.

The spelling of 11122294987 in words is "eleven billion, one hundred twenty-two million, two hundred ninety-four thousand, nine hundred eighty-seven".