10561111061506 has 8 divisors (see below), whose sum is σ = 15843852576000. Its totient is φ = 5279826869508.

The previous prime is 10561111061497. The next prime is 10561111061507. The reversal of 10561111061506 is 60516011116501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10561111061506² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561111061507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364312506 + ... + 364341493.

It is an arithmetic number, because the mean of its divisors is an integer number (1980481572000).

Almost surely, 2^{10561111061506} is an apocalyptic number.

10561111061506 is a deficient number, since it is larger than the sum of its proper divisors (5282741514494).

10561111061506 is an equidigital number, since it uses as much as digits as its factorization.

10561111061506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728661248.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 10561111061506 in words is "ten trillion, five hundred sixty-one billion, one hundred eleven million, sixty-one thousand, five hundred six".