10155605049 has 12 divisors (see below), whose sum is σ = 14670952036. Its totient is φ = 6769598112.

The previous prime is 10155605029. The next prime is 10155605059. The reversal of 10155605049 is 94050655101.

10155605049 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 5 + 605 + 0 + 49 = 666.

10155605049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3289825449 + 6865779600 = 57357^2 + 82860^2 .

It is not a de Polignac number, because 10155605049 - 2¹² = 10155600953 is a prime.

It is a super-2 number, since 2×10155605049² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10155605029) 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 11 ways as a sum of consecutive naturals, for example, 18519 + ... + 143715.

Almost surely, 2^10155605049 is an apocalyptic number.

It is an amenable number.

10155605049 is a deficient number, since it is larger than the sum of its proper divisors (4515346987).

10155605049 is a wasteful number, since it uses less digits than its factorization.

10155605049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134216 (or 134213 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10155605049 in words is "ten billion, one hundred fifty-five million, six hundred five thousand, forty-nine".