10555345511 has 4 divisors (see below), whose sum is σ = 10728384024. Its totient is φ = 10382307000.

The previous prime is 10555345501. The next prime is 10555345547. The reversal of 10555345511 is 11554355501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11554355501 = 13 ⋅888796577.

It is a cyclic number.

It is not a de Polignac number, because 10555345511 - 2⁶ = 10555345447 is a prime.

It is a super-2 number, since 2×10555345511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555345501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86519165 + ... + 86519286.

It is an arithmetic number, because the mean of its divisors is an integer number (2682096006).

Almost surely, 2^10555345511 is an apocalyptic number.

10555345511 is a deficient number, since it is larger than the sum of its proper divisors (173038513).

10555345511 is an equidigital number, since it uses as much as digits as its factorization.

10555345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173038512.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 10555345511 in words is "ten billion, five hundred fifty-five million, three hundred forty-five thousand, five hundred eleven".