15005661061011 has 8 divisors (see below), whose sum is σ = 20013279274944. Its totient is φ = 10000908443880.

The previous prime is 15005661060997. The next prime is 15005661061091. The reversal of 15005661061011 is 11016016650051.

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

It is not a de Polignac number, because 15005661061011 - 2⁵ = 15005661060979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15005661061091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716386981 + ... + 716407926.

It is an arithmetic number, because the mean of its divisors is an integer number (2501659909368).

Almost surely, 2^{15005661061011} is an apocalyptic number.

15005661061011 is a deficient number, since it is larger than the sum of its proper divisors (5007618213933).

15005661061011 is a wasteful number, since it uses less digits than its factorization.

15005661061011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432798401.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 15005661061011 in words is "fifteen trillion, five billion, six hundred sixty-one million, sixty-one thousand, eleven".