11249951 has 2 divisors, whose sum is σ = 11249952. Its totient is φ = 11249950.

The previous prime is 11249933. The next prime is 11249977. The reversal of 11249951 is 15994211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11249951 - 2¹⁰ = 11248927 is a prime.

It is a super-2 number, since 2×11249951² = 253122795004802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11249911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624975 + 5624976.

It is an arithmetic number, because the mean of its divisors is an integer number (5624976).

Almost surely, 2^11249951 is an apocalyptic number.

11249951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11249951 is an equidigital number, since it uses as much as digits as its factorization.

11249951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 11249951 is about 3354.0946617530. The cubic root of 11249951 is about 224.0699120106.

The spelling of 11249951 in words is "eleven million, two hundred forty-nine thousand, nine hundred fifty-one".