154133366533361 has 2 divisors, whose sum is σ = 154133366533362. Its totient is φ = 154133366533360.

The previous prime is 154133366533313. The next prime is 154133366533397. The reversal of 154133366533361 is 163335663331451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152400012601600 + 1733353931761 = 12345040^2 + 1316569^2 .

It is a cyclic number.

It is not a de Polignac number, because 154133366533361 - 2¹⁸ = 154133366271217 is a prime.

It is not a weakly prime, because it can be changed into another prime (154133366533301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77066683266680 + 77066683266681.

It is an arithmetic number, because the mean of its divisors is an integer number (77066683266681).

Almost surely, 2^{154133366533361} is an apocalyptic number.

It is an amenable number.

154133366533361 is a deficient number, since it is larger than the sum of its proper divisors (1).

154133366533361 is an equidigital number, since it uses as much as digits as its factorization.

154133366533361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15746400, while the sum is 53.

The spelling of 154133366533361 in words is "one hundred fifty-four trillion, one hundred thirty-three billion, three hundred sixty-six million, five hundred thirty-three thousand, three hundred sixty-one".