21160514011357 has 8 divisors (see below), whose sum is σ = 24185611843200. Its totient is φ = 18135957994224.

The previous prime is 21160514011261. The next prime is 21160514011369. The reversal of 21160514011357 is 75311041506112.

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

It is not a de Polignac number, because 21160514011357 - 2⁴³ = 12364420989149 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 (21160514311357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135369982 + ... + 135526207.

It is an arithmetic number, because the mean of its divisors is an integer number (3023201480400).

Almost surely, 2^{21160514011357} is an apocalyptic number.

It is an amenable number.

21160514011357 is a deficient number, since it is larger than the sum of its proper divisors (3025097831843).

21160514011357 is a wasteful number, since it uses less digits than its factorization.

21160514011357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270907355.

The product of its (nonzero) digits is 25200, while the sum is 37.

Adding to 21160514011357 its reverse (75311041506112), we get a palindrome (96471555517469).

The spelling of 21160514011357 in words is "twenty-one trillion, one hundred sixty billion, five hundred fourteen million, eleven thousand, three hundred fifty-seven".