21160141357 has 2 divisors, whose sum is σ = 21160141358. Its totient is φ = 21160141356.

The previous prime is 21160141337. The next prime is 21160141361. The reversal of 21160141357 is 75314106112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17410538601 + 3749602756 = 131949^2 + 61234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21160141357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21160141337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580070678 + 10580070679.

It is an arithmetic number, because the mean of its divisors is an integer number (10580070679).

Almost surely, 2^21160141357 is an apocalyptic number.

It is an amenable number.

21160141357 is a deficient number, since it is larger than the sum of its proper divisors (1).

21160141357 is an equidigital number, since it uses as much as digits as its factorization.

21160141357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 21160141357 its reverse (75314106112), we get a palindrome (96474247469).

The spelling of 21160141357 in words is "twenty-one billion, one hundred sixty million, one hundred forty-one thousand, three hundred fifty-seven".