10505544144 has 80 divisors (see below), whose sum is σ = 29264585280. Its totient is φ = 3236613120.

The previous prime is 10505544107. The next prime is 10505544157. The reversal of 10505544144 is 44144550501.

It is a super-2 number, since 2×10505544144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103087 + ... + 177870.

It is an arithmetic number, because the mean of its divisors is an integer number (365807316).

Almost surely, 2^10505544144 is an apocalyptic number.

It is an amenable number.

10505544144 is an abundant number, since it is smaller than the sum of its proper divisors (18759041136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505544144 is a wasteful number, since it uses less digits than its factorization.

10505544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281028 (or 281022 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 10505544144 in words is "ten billion, five hundred five million, five hundred forty-four thousand, one hundred forty-four".