10011543257 has 2 divisors, whose sum is σ = 10011543258. Its totient is φ = 10011543256.

The previous prime is 10011543239. The next prime is 10011543271. The reversal of 10011543257 is 75234511001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9358434121 + 653109136 = 96739^2 + 25556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011543257 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011548257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005771628 + 5005771629.

It is an arithmetic number, because the mean of its divisors is an integer number (5005771629).

Almost surely, 2^10011543257 is an apocalyptic number.

It is an amenable number.

10011543257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011543257 is an equidigital number, since it uses as much as digits as its factorization.

10011543257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 10011543257 in words is "ten billion, eleven million, five hundred forty-three thousand, two hundred fifty-seven".