11201251 has 2 divisors, whose sum is σ = 11201252. Its totient is φ = 11201250.

The previous prime is 11201237. The next prime is 11201263. The reversal of 11201251 is 15210211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201251 - 2⁵ = 11201219 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600625 + 5600626.

It is an arithmetic number, because the mean of its divisors is an integer number (5600626).

Almost surely, 2^11201251 is an apocalyptic number.

11201251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201251 is an equidigital number, since it uses as much as digits as its factorization.

11201251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11201251 is about 3346.8270047913. The cubic root of 11201251 is about 223.7461183434.

Adding to 11201251 its reverse (15210211), we get a palindrome (26411462).

The spelling of 11201251 in words is "eleven million, two hundred one thousand, two hundred fifty-one".