353865861157 has 2 divisors, whose sum is σ = 353865861158. Its totient is φ = 353865861156.

The previous prime is 353865861143. The next prime is 353865861187. The reversal of 353865861157 is 751168568353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237520744321 + 116345116836 = 487361^2 + 341094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353865861157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353865861127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176932930578 + 176932930579.

It is an arithmetic number, because the mean of its divisors is an integer number (176932930579).

Almost surely, 2^353865861157 is an apocalyptic number.

It is an amenable number.

353865861157 is a deficient number, since it is larger than the sum of its proper divisors (1).

353865861157 is an equidigital number, since it uses as much as digits as its factorization.

353865861157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 58.

The spelling of 353865861157 in words is "three hundred fifty-three billion, eight hundred sixty-five million, eight hundred sixty-one thousand, one hundred fifty-seven".