154164123551 has 2 divisors, whose sum is σ = 154164123552. Its totient is φ = 154164123550.

The previous prime is 154164123481. The next prime is 154164123559. The reversal of 154164123551 is 155321461451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154164123551 - 2¹⁸ = 154163861407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154164123559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77082061775 + 77082061776.

It is an arithmetic number, because the mean of its divisors is an integer number (77082061776).

Almost surely, 2^154164123551 is an apocalyptic number.

154164123551 is a deficient number, since it is larger than the sum of its proper divisors (1).

154164123551 is an equidigital number, since it uses as much as digits as its factorization.

154164123551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

The spelling of 154164123551 in words is "one hundred fifty-four billion, one hundred sixty-four million, one hundred twenty-three thousand, five hundred fifty-one".