154105134205051 has 2 divisors, whose sum is σ = 154105134205052. Its totient is φ = 154105134205050.

The previous prime is 154105134205049. The next prime is 154105134205189. The reversal of 154105134205051 is 150502431501451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154105134205051 - 2¹ = 154105134205049 is a prime.

Together with 154105134205049, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 154105134205051.

It is not a weakly prime, because it can be changed into another prime (154105134200051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77052567102525 + 77052567102526.

It is an arithmetic number, because the mean of its divisors is an integer number (77052567102526).

Almost surely, 2^{154105134205051} is an apocalyptic number.

154105134205051 is a deficient number, since it is larger than the sum of its proper divisors (1).

154105134205051 is an equidigital number, since it uses as much as digits as its factorization.

154105134205051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 154105134205051 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred thirty-four million, two hundred five thousand, fifty-one".