11140212997 has 2 divisors, whose sum is σ = 11140212998. Its totient is φ = 11140212996.

The previous prime is 11140212983. The next prime is 11140213027. The reversal of 11140212997 is 79921204111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10454244516 + 685968481 = 102246^2 + 26191^2 .

It is a cyclic number.

It is not a de Polignac number, because 11140212997 - 2¹⁵ = 11140180229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11140215997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570106498 + 5570106499.

It is an arithmetic number, because the mean of its divisors is an integer number (5570106499).

Almost surely, 2^11140212997 is an apocalyptic number.

It is an amenable number.

11140212997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140212997 is an equidigital number, since it uses as much as digits as its factorization.

11140212997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11140212997 in words is "eleven billion, one hundred forty million, two hundred twelve thousand, nine hundred ninety-seven".