10555620511 has 2 divisors, whose sum is σ = 10555620512. Its totient is φ = 10555620510.

The previous prime is 10555620479. The next prime is 10555620527. The reversal of 10555620511 is 11502655501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10555620511 - 2⁵ = 10555620479 is a prime.

It is a super-2 number, since 2×10555620511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10555620811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277810255 + 5277810256.

It is an arithmetic number, because the mean of its divisors is an integer number (5277810256).

Almost surely, 2^10555620511 is an apocalyptic number.

10555620511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555620511 is an equidigital number, since it uses as much as digits as its factorization.

10555620511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 10555620511 in words is "ten billion, five hundred fifty-five million, six hundred twenty thousand, five hundred eleven".