108401274781 has 2 divisors, whose sum is σ = 108401274782. Its totient is φ = 108401274780.

The previous prime is 108401274721. The next prime is 108401274799. The reversal of 108401274781 is 187472104801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100872936025 + 7528338756 = 317605^2 + 86766^2 .

It is a cyclic number.

It is not a de Polignac number, because 108401274781 - 2¹⁷ = 108401143709 is a prime.

It is a super-2 number, since 2×108401274781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108401274721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54200637390 + 54200637391.

It is an arithmetic number, because the mean of its divisors is an integer number (54200637391).

Almost surely, 2^108401274781 is an apocalyptic number.

It is an amenable number.

108401274781 is a deficient number, since it is larger than the sum of its proper divisors (1).

108401274781 is an equidigital number, since it uses as much as digits as its factorization.

108401274781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 108401274781 in words is "one hundred eight billion, four hundred one million, two hundred seventy-four thousand, seven hundred eighty-one".