263155047511373 has 2 divisors, whose sum is σ = 263155047511374. Its totient is φ = 263155047511372.

The previous prime is 263155047511351. The next prime is 263155047511417. The reversal of 263155047511373 is 373115740551362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192117424373449 + 71037623137924 = 13860643^2 + 8428382^2 .

It is a cyclic number.

It is not a de Polignac number, because 263155047511373 - 2⁶ = 263155047511309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263155047511313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131577523755686 + 131577523755687.

It is an arithmetic number, because the mean of its divisors is an integer number (131577523755687).

Almost surely, 2^{263155047511373} is an apocalyptic number.

It is an amenable number.

263155047511373 is a deficient number, since it is larger than the sum of its proper divisors (1).

263155047511373 is an equidigital number, since it uses as much as digits as its factorization.

263155047511373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 263155047511373 in words is "two hundred sixty-three trillion, one hundred fifty-five billion, forty-seven million, five hundred eleven thousand, three hundred seventy-three".