10545715549 has 4 divisors (see below), whose sum is σ = 10654434364. Its totient is φ = 10436996736.

The previous prime is 10545715541. The next prime is 10545715567. The reversal of 10545715549 is 94551754501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7397720100 + 3147995449 = 86010^2 + 56107^2 .

It is a cyclic number.

It is not a de Polignac number, because 10545715549 - 2³ = 10545715541 is a prime.

It is a super-2 number, since 2×10545715549² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10545715499 and 10545715508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10545715541) 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, 54359262 + ... + 54359455.

It is an arithmetic number, because the mean of its divisors is an integer number (2663608591).

Almost surely, 2^10545715549 is an apocalyptic number.

It is an amenable number.

10545715549 is a deficient number, since it is larger than the sum of its proper divisors (108718815).

10545715549 is an equidigital number, since it uses as much as digits as its factorization.

10545715549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108718814.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 10545715549 in words is "ten billion, five hundred forty-five million, seven hundred fifteen thousand, five hundred forty-nine".