11611151 has 2 divisors, whose sum is σ = 11611152. Its totient is φ = 11611150.

The previous prime is 11611133. The next prime is 11611163. The reversal of 11611151 is 15111611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11611151 - 2²² = 7416847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11611121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805575 + 5805576.

It is an arithmetic number, because the mean of its divisors is an integer number (5805576).

Almost surely, 2^11611151 is an apocalyptic number.

11611151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11611151 is an equidigital number, since it uses as much as digits as its factorization.

11611151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 17.

The square root of 11611151 is about 3407.5139031264. The cubic root of 11611151 is about 226.4427520121.

Adding to 11611151 its reverse (15111611), we get a palindrome (26722762).

The spelling of 11611151 in words is "eleven million, six hundred eleven thousand, one hundred fifty-one".