20315111265110 has 16 divisors (see below), whose sum is σ = 36567745391232. Its totient is φ = 8125923369600.

The previous prime is 20315111265061. The next prime is 20315111265121. The reversal of 20315111265110 is 1156211151302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14436131 + ... + 15780750.

It is an arithmetic number, because the mean of its divisors is an integer number (2285484086952).

Almost surely, 2^{20315111265110} is an apocalyptic number.

20315111265110 is a deficient number, since it is larger than the sum of its proper divisors (16252634126122).

20315111265110 is a wasteful number, since it uses less digits than its factorization.

20315111265110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30284119.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 20315111265110 in words is "twenty trillion, three hundred fifteen billion, one hundred eleven million, two hundred sixty-five thousand, one hundred ten".