10501555449 has 32 divisors (see below), whose sum is σ = 17477830656. Its totient is φ = 5448885120.

The previous prime is 10501555439. The next prime is 10501555453. The reversal of 10501555449 is 94455510501.

10501555449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10501555449 - 2⁴ = 10501555433 is a prime.

It is a super-2 number, since 2×10501555449² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10501555409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171444 + ... + 224490.

It is an arithmetic number, because the mean of its divisors is an integer number (546182208).

Almost surely, 2^10501555449 is an apocalyptic number.

It is an amenable number.

10501555449 is a deficient number, since it is larger than the sum of its proper divisors (6976275207).

10501555449 is a wasteful number, since it uses less digits than its factorization.

10501555449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53925.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 10501555449 in words is "ten billion, five hundred one million, five hundred fifty-five thousand, four hundred forty-nine".