140455251551 has 2 divisors, whose sum is σ = 140455251552. Its totient is φ = 140455251550.

The previous prime is 140455251473. The next prime is 140455251571. The reversal of 140455251551 is 155152554041.

140455251551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140455251551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140455251571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70227625775 + 70227625776.

It is an arithmetic number, because the mean of its divisors is an integer number (70227625776).

Almost surely, 2^140455251551 is an apocalyptic number.

140455251551 is a deficient number, since it is larger than the sum of its proper divisors (1).

140455251551 is an equidigital number, since it uses as much as digits as its factorization.

140455251551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 140455251551 in words is "one hundred forty billion, four hundred fifty-five million, two hundred fifty-one thousand, five hundred fifty-one".