155401630763 has 2 divisors, whose sum is σ = 155401630764. Its totient is φ = 155401630762.

The previous prime is 155401630739. The next prime is 155401630777. The reversal of 155401630763 is 367036104551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155401630763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155401630763.

It is not a weakly prime, because it can be changed into another prime (155401630663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77700815381 + 77700815382.

It is an arithmetic number, because the mean of its divisors is an integer number (77700815382).

Almost surely, 2^155401630763 is an apocalyptic number.

155401630763 is a deficient number, since it is larger than the sum of its proper divisors (1).

155401630763 is an equidigital number, since it uses as much as digits as its factorization.

155401630763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 155401630763 in words is "one hundred fifty-five billion, four hundred one million, six hundred thirty thousand, seven hundred sixty-three".