240125642154577 has 2 divisors, whose sum is σ = 240125642154578. Its totient is φ = 240125642154576.

The previous prime is 240125642154571. The next prime is 240125642154623. The reversal of 240125642154577 is 775451246521042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198671308396561 + 41454333758016 = 14095081^2 + 6438504^2 .

It is a cyclic number.

It is not a de Polignac number, because 240125642154577 - 2²⁷ = 240125507936849 is a prime.

It is not a weakly prime, because it can be changed into another prime (240125642154571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120062821077288 + 120062821077289.

It is an arithmetic number, because the mean of its divisors is an integer number (120062821077289).

Almost surely, 2^{240125642154577} is an apocalyptic number.

It is an amenable number.

240125642154577 is a deficient number, since it is larger than the sum of its proper divisors (1).

240125642154577 is an equidigital number, since it uses as much as digits as its factorization.

240125642154577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 240125642154577 in words is "two hundred forty trillion, one hundred twenty-five billion, six hundred forty-two million, one hundred fifty-four thousand, five hundred seventy-seven".