10561515155104 has 12 divisors (see below), whose sum is σ = 20792982961674. Its totient is φ = 5280757577536.

The previous prime is 10561515155101. The next prime is 10561515155119. The reversal of 10561515155104 is 40155151516501.

It can be written as a sum of positive squares in only one way, i.e., 7024302115600 + 3537213039504 = 2650340^2 + 1880748^2 .

It is a super-2 number, since 2×10561515155104² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561515155101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165023674267 + ... + 165023674330.

Almost surely, 2^{10561515155104} is an apocalyptic number.

It is an amenable number.

10561515155104 is a deficient number, since it is larger than the sum of its proper divisors (10231467806570).

10561515155104 is an equidigital number, since it uses as much as digits as its factorization.

10561515155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330047348607 (or 330047348599 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 40.

The spelling of 10561515155104 in words is "ten trillion, five hundred sixty-one billion, five hundred fifteen million, one hundred fifty-five thousand, one hundred four".