5405111281 has 2 divisors, whose sum is σ = 5405111282. Its totient is φ = 5405111280.

The previous prime is 5405111273. The next prime is 5405111357. The reversal of 5405111281 is 1821115045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5270760000 + 134351281 = 72600^2 + 11591^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405111281 - 2³ = 5405111273 is a prime.

It is a super-2 number, since 2×5405111281² = 58430455919986921922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5405111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702555640 + 2702555641.

It is an arithmetic number, because the mean of its divisors is an integer number (2702555641).

Almost surely, 2^5405111281 is an apocalyptic number.

It is an amenable number.

5405111281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405111281 is an equidigital number, since it uses as much as digits as its factorization.

5405111281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5405111281 is about 73519.4619199569. The cubic root of 5405111281 is about 1754.9640045322.

The spelling of 5405111281 in words is "five billion, four hundred five million, one hundred eleven thousand, two hundred eighty-one".