10540532291 has 2 divisors, whose sum is σ = 10540532292. Its totient is φ = 10540532290.

The previous prime is 10540532281. The next prime is 10540532323. The reversal of 10540532291 is 19223504501.

It is an a-pointer prime, because the next prime (10540532323) can be obtained adding 10540532291 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (19223504501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10540532291 is a prime.

It is a super-2 number, since 2×10540532291² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10540532281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270266145 + 5270266146.

It is an arithmetic number, because the mean of its divisors is an integer number (5270266146).

Almost surely, 2^10540532291 is an apocalyptic number.

10540532291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10540532291 is an equidigital number, since it uses as much as digits as its factorization.

10540532291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 10540532291 in words is "ten billion, five hundred forty million, five hundred thirty-two thousand, two hundred ninety-one".