10155505061 has 4 divisors (see below), whose sum is σ = 10936697772. Its totient is φ = 9374312352.

The previous prime is 10155505037. The next prime is 10155505081. The reversal of 10155505061 is 16050555101.

It is a happy number.

10155505061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2124656836 + 8030848225 = 46094^2 + 89615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10155505061 is a prime.

It is a super-2 number, since 2×10155505061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155505001) 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 3 ways as a sum of consecutive naturals, for example, 390596336 + ... + 390596361.

It is an arithmetic number, because the mean of its divisors is an integer number (2734174443).

Almost surely, 2^10155505061 is an apocalyptic number.

It is an amenable number.

10155505061 is a deficient number, since it is larger than the sum of its proper divisors (781192711).

10155505061 is an equidigital number, since it uses as much as digits as its factorization.

10155505061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781192710.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 10155505061 in words is "ten billion, one hundred fifty-five million, five hundred five thousand, sixty-one".