10555020543091 has 2 divisors, whose sum is σ = 10555020543092. Its totient is φ = 10555020543090.

The previous prime is 10555020543049. The next prime is 10555020543097. The reversal of 10555020543091 is 19034502055501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10555020543091 - 2²⁵ = 10554986988659 is a prime.

It is a super-2 number, since 2×10555020543091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10555020543097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277510271545 + 5277510271546.

It is an arithmetic number, because the mean of its divisors is an integer number (5277510271546).

Almost surely, 2^{10555020543091} is an apocalyptic number.

10555020543091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555020543091 is an equidigital number, since it uses as much as digits as its factorization.

10555020543091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 10555020543091 its reverse (19034502055501), we get a palindrome (29589522598592).

The spelling of 10555020543091 in words is "ten trillion, five hundred fifty-five billion, twenty million, five hundred forty-three thousand, ninety-one".