10540044551 has 4 divisors (see below), whose sum is σ = 10544111952. Its totient is φ = 10535977152.

The previous prime is 10540044539. The next prime is 10540044611. The reversal of 10540044551 is 15544004501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10540044551 is a prime.

It is a super-2 number, since 2×10540044551² (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 (10540044521) 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, 2029811 + ... + 2034996.

It is an arithmetic number, because the mean of its divisors is an integer number (2636027988).

Almost surely, 2^10540044551 is an apocalyptic number.

10540044551 is a deficient number, since it is larger than the sum of its proper divisors (4067401).

10540044551 is an equidigital number, since it uses as much as digits as its factorization.

10540044551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067400.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 10540044551 in words is "ten billion, five hundred forty million, forty-four thousand, five hundred fifty-one".