11745131 has 2 divisors, whose sum is σ = 11745132. Its totient is φ = 11745130.

The previous prime is 11745121. The next prime is 11745133. The reversal of 11745131 is 13154711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11745131 - 2¹⁰ = 11744107 is a prime.

It is a super-2 number, since 2×11745131² = 275896204414322, which contains 22 as substring.

Together with 11745133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11745097 and 11745106.

It is not a weakly prime, because it can be changed into another prime (11745133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5872565 + 5872566.

It is an arithmetic number, because the mean of its divisors is an integer number (5872566).

Almost surely, 2^11745131 is an apocalyptic number.

11745131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11745131 is an equidigital number, since it uses as much as digits as its factorization.

11745131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 23.

The square root of 11745131 is about 3427.1170099662. The cubic root of 11745131 is about 227.3103906599.

Subtracting from 11745131 its product of digits (420), we obtain a palindrome (11744711).

Adding to 11745131 its reverse (13154711), we get a palindrome (24899842).

The spelling of 11745131 in words is "eleven million, seven hundred forty-five thousand, one hundred thirty-one".