10726431187 has 2 divisors, whose sum is σ = 10726431188. Its totient is φ = 10726431186.

The previous prime is 10726431167. The next prime is 10726431203. The reversal of 10726431187 is 78113462701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10726431187 is a prime.

It is not a weakly prime, because it can be changed into another prime (10726431127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5363215593 + 5363215594.

It is an arithmetic number, because the mean of its divisors is an integer number (5363215594).

Almost surely, 2^10726431187 is an apocalyptic number.

10726431187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10726431187 is an equidigital number, since it uses as much as digits as its factorization.

10726431187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

Adding to 10726431187 its reverse (78113462701), we get a palindrome (88839893888).

The spelling of 10726431187 in words is "ten billion, seven hundred twenty-six million, four hundred thirty-one thousand, one hundred eighty-seven".