10542211553257 has 2 divisors, whose sum is σ = 10542211553258. Its totient is φ = 10542211553256.

The previous prime is 10542211553227. The next prime is 10542211553317. The reversal of 10542211553257 is 75235511224501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10033620072921 + 508591480336 = 3167589^2 + 713156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10542211553257 is a prime.

It is a super-2 number, since 2×10542211553257² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10542211553227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271105776628 + 5271105776629.

It is an arithmetic number, because the mean of its divisors is an integer number (5271105776629).

Almost surely, 2^{10542211553257} is an apocalyptic number.

It is an amenable number.

10542211553257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10542211553257 is an equidigital number, since it uses as much as digits as its factorization.

10542211553257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 43.

Adding to 10542211553257 its reverse (75235511224501), we get a palindrome (85777722777758).

The spelling of 10542211553257 in words is "ten trillion, five hundred forty-two billion, two hundred eleven million, five hundred fifty-three thousand, two hundred fifty-seven".