11261501 has 2 divisors, whose sum is σ = 11261502. Its totient is φ = 11261500.

The previous prime is 11261489. The next prime is 11261519. The reversal of 11261501 is 10516211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 5476 = 3355^2 + 74^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11261501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11261501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11261581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630750 + 5630751.

It is an arithmetic number, because the mean of its divisors is an integer number (5630751).

Almost surely, 2^11261501 is an apocalyptic number.

It is an amenable number.

11261501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11261501 is an equidigital number, since it uses as much as digits as its factorization.

11261501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11261501 is about 3355.8159961476. The cubic root of 11261501 is about 224.1465678204.

Adding to 11261501 its reverse (10516211), we get a palindrome (21777712).

The spelling of 11261501 in words is "eleven million, two hundred sixty-one thousand, five hundred one".