154513122064291 has 2 divisors, whose sum is σ = 154513122064292. Its totient is φ = 154513122064290.

The previous prime is 154513122064277. The next prime is 154513122064337. The reversal of 154513122064291 is 192460221315451.

154513122064291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (154513122064337) can be obtained adding 154513122064291 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154513122064291 is a prime.

It is not a weakly prime, because it can be changed into another prime (154513122064261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77256561032145 + 77256561032146.

It is an arithmetic number, because the mean of its divisors is an integer number (77256561032146).

Almost surely, 2^{154513122064291} is an apocalyptic number.

154513122064291 is a deficient number, since it is larger than the sum of its proper divisors (1).

154513122064291 is an equidigital number, since it uses as much as digits as its factorization.

154513122064291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 154513122064291 in words is "one hundred fifty-four trillion, five hundred thirteen billion, one hundred twenty-two million, sixty-four thousand, two hundred ninety-one".