10540502321 has 2 divisors, whose sum is σ = 10540502322. Its totient is φ = 10540502320.

The previous prime is 10540502311. The next prime is 10540502347. The reversal of 10540502321 is 12320504501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10436869921 + 103632400 = 102161^2 + 10180^2 .

It is a cyclic number.

It is not a de Polignac number, because 10540502321 - 2²⁶ = 10473393457 is a prime.

It is a super-2 number, since 2×10540502321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10540502311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5270251160 + 5270251161.

It is an arithmetic number, because the mean of its divisors is an integer number (5270251161).

Almost surely, 2^10540502321 is an apocalyptic number.

It is an amenable number.

10540502321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10540502321 is an equidigital number, since it uses as much as digits as its factorization.

10540502321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 10540502321 in words is "ten billion, five hundred forty million, five hundred two thousand, three hundred twenty-one".