11199977 has 2 divisors, whose sum is σ = 11199978. Its totient is φ = 11199976.

The previous prime is 11199973. The next prime is 11199989. The reversal of 11199977 is 77999111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7295401 + 3904576 = 2701^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11199977 - 2² = 11199973 is a prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11199973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599988 + 5599989.

It is an arithmetic number, because the mean of its divisors is an integer number (5599989).

Almost surely, 2^11199977 is an apocalyptic number.

It is an amenable number.

11199977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199977 is an equidigital number, since it uses as much as digits as its factorization.

11199977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35721, while the sum is 44.

The square root of 11199977 is about 3346.6366698523. The cubic root of 11199977 is about 223.7376352623.

The spelling of 11199977 in words is "eleven million, one hundred ninety-nine thousand, nine hundred seventy-seven".