1154476084681 has 2 divisors, whose sum is σ = 1154476084682. Its totient is φ = 1154476084680.

The previous prime is 1154476084679. The next prime is 1154476084693. The reversal of 1154476084681 is 1864806744511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1128194487225 + 26281597456 = 1062165^2 + 162116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154476084681 - 2¹ = 1154476084679 is a prime.

It is a super-2 number, since 2×1154476084681² (a number of 25 digits) contains 22 as substring.

Together with 1154476084679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1154476004681) 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, 577238042340 + 577238042341.

It is an arithmetic number, because the mean of its divisors is an integer number (577238042341).

Almost surely, 2^{1154476084681} is an apocalyptic number.

It is an amenable number.

1154476084681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154476084681 is an equidigital number, since it uses as much as digits as its factorization.

1154476084681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 1154476084681 in words is "one trillion, one hundred fifty-four billion, four hundred seventy-six million, eighty-four thousand, six hundred eighty-one".