21134162035015 has 8 divisors (see below), whose sum is σ = 25361988247728. Its totient is φ = 16906667090880.

The previous prime is 21134162035009. The next prime is 21134162035031. The reversal of 21134162035015 is 51053026143112.

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

It is not a de Polignac number, because 21134162035015 - 2³⁵ = 21099802296647 is a prime.

It is a Duffinian 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, 82676766 + ... + 82931995.

It is an arithmetic number, because the mean of its divisors is an integer number (3170248530966).

Almost surely, 2^{21134162035015} is an apocalyptic number.

21134162035015 is a deficient number, since it is larger than the sum of its proper divisors (4227826212713).

21134162035015 is a wasteful number, since it uses less digits than its factorization.

21134162035015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165634289.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 21134162035015 its reverse (51053026143112), we get a palindrome (72187188178127).

The spelling of 21134162035015 in words is "twenty-one trillion, one hundred thirty-four billion, one hundred sixty-two million, thirty-five thousand, fifteen".