21160521136130 has 32 divisors (see below), whose sum is σ = 38306231921664. Its totient is φ = 8416013173056.

The previous prime is 21160521136127. The next prime is 21160521136151. The reversal of 21160521136130 is 3163112506112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929609 + ... + 7600188.

It is an arithmetic number, because the mean of its divisors is an integer number (1197069747552).

Almost surely, 2^{21160521136130} is an apocalyptic number.

21160521136130 is a deficient number, since it is larger than the sum of its proper divisors (17145710785534).

21160521136130 is a wasteful number, since it uses less digits than its factorization.

21160521136130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530850.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 21160521136130 in words is "twenty-one trillion, one hundred sixty billion, five hundred twenty-one million, one hundred thirty-six thousand, one hundred thirty".