15660610106111 has 4 divisors (see below), whose sum is σ = 16581822465312. Its totient is φ = 14739397746912.

The previous prime is 15660610106101. The next prime is 15660610106117. The reversal of 15660610106111 is 11160101606651.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15660610106111 - 2⁶ = 15660610106047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15660610106117) 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, 460606179575 + ... + 460606179608.

It is an arithmetic number, because the mean of its divisors is an integer number (4145455616328).

Almost surely, 2^{15660610106111} is an apocalyptic number.

15660610106111 is a deficient number, since it is larger than the sum of its proper divisors (921212359201).

15660610106111 is an equidigital number, since it uses as much as digits as its factorization.

15660610106111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921212359200.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 15660610106111 in words is "fifteen trillion, six hundred sixty billion, six hundred ten million, one hundred six thousand, one hundred eleven".