855701348731 has 2 divisors, whose sum is σ = 855701348732. Its totient is φ = 855701348730.

The previous prime is 855701348647. The next prime is 855701348737. The reversal of 855701348731 is 137843107558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855701348731 - 2¹¹ = 855701346683 is a prime.

It is a super-2 number, since 2×855701348731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (855701348737) by changing a digit.

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 as a sum of consecutive naturals, namely, 427850674365 + 427850674366.

It is an arithmetic number, because the mean of its divisors is an integer number (427850674366).

Almost surely, 2^855701348731 is an apocalyptic number.

855701348731 is a deficient number, since it is larger than the sum of its proper divisors (1).

855701348731 is an equidigital number, since it uses as much as digits as its factorization.

855701348731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 855701348731 in words is "eight hundred fifty-five billion, seven hundred one million, three hundred forty-eight thousand, seven hundred thirty-one".