10545553511 has 4 divisors (see below), whose sum is σ = 10545814272. Its totient is φ = 10545292752.

The previous prime is 10545553493. The next prime is 10545553517. The reversal of 10545553511 is 11535554501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10545553511 - 2¹⁰ = 10545552487 is a prime.

It is a super-2 number, since 2×10545553511² (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 (10545553517) 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, 55310 + ... + 155403.

It is an arithmetic number, because the mean of its divisors is an integer number (2636453568).

Almost surely, 2^10545553511 is an apocalyptic number.

10545553511 is a deficient number, since it is larger than the sum of its proper divisors (260761).

10545553511 is an equidigital number, since it uses as much as digits as its factorization.

10545553511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260760.

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

The spelling of 10545553511 in words is "ten billion, five hundred forty-five million, five hundred fifty-three thousand, five hundred eleven".