21160134215410 has 16 divisors (see below), whose sum is σ = 38088474103512. Its totient is φ = 8464002016000.

The previous prime is 21160134215401. The next prime is 21160134215447. The reversal of 21160134215410 is 1451243106112.

It can be written as a sum of positive squares in 4 ways, for example, as 17900184801321 + 3259949414089 = 4230861^2 + 1805533^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4716391 + ... + 8035210.

Almost surely, 2^{21160134215410} is an apocalyptic number.

21160134215410 is a deficient number, since it is larger than the sum of its proper divisors (16928339888102).

21160134215410 is a wasteful number, since it uses less digits than its factorization.

21160134215410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917549.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 21160134215410 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-four million, two hundred fifteen thousand, four hundred ten".