1154043069953 has 2 divisors, whose sum is σ = 1154043069954. Its totient is φ = 1154043069952.

The previous prime is 1154043069941. The next prime is 1154043069983. The reversal of 1154043069953 is 3599603404511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1154008765504 + 34304449 = 1074248^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154043069953 - 2⁶ = 1154043069889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154043069923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577021534976 + 577021534977.

It is an arithmetic number, because the mean of its divisors is an integer number (577021534977).

Almost surely, 2^{1154043069953} is an apocalyptic number.

It is an amenable number.

1154043069953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154043069953 is an equidigital number, since it uses as much as digits as its factorization.

1154043069953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 1154043069953 in words is "one trillion, one hundred fifty-four billion, forty-three million, sixty-nine thousand, nine hundred fifty-three".