151043220555281 has 2 divisors, whose sum is σ = 151043220555282. Its totient is φ = 151043220555280.

The previous prime is 151043220555247. The next prime is 151043220555347. The reversal of 151043220555281 is 182555022340151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144860120566225 + 6183099989056 = 12035785^2 + 2486584^2 .

It is a cyclic number.

It is not a de Polignac number, because 151043220555281 - 2²² = 151043216360977 is a prime.

It is a super-2 number, since 2×151043220555281² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (151043220551281) 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, 75521610277640 + 75521610277641.

It is an arithmetic number, because the mean of its divisors is an integer number (75521610277641).

Almost surely, 2^{151043220555281} is an apocalyptic number.

It is an amenable number.

151043220555281 is a deficient number, since it is larger than the sum of its proper divisors (1).

151043220555281 is an equidigital number, since it uses as much as digits as its factorization.

151043220555281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480000, while the sum is 44.

The spelling of 151043220555281 in words is "one hundred fifty-one trillion, forty-three billion, two hundred twenty million, five hundred fifty-five thousand, two hundred eighty-one".