245343320203511 has 2 divisors, whose sum is σ = 245343320203512. Its totient is φ = 245343320203510.

The previous prime is 245343320203489. The next prime is 245343320203523. The reversal of 245343320203511 is 115302023343542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245343320203511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245343320203561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671660101755 + 122671660101756.

It is an arithmetic number, because the mean of its divisors is an integer number (122671660101756).

Almost surely, 2^{245343320203511} is an apocalyptic number.

245343320203511 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343320203511 is an equidigital number, since it uses as much as digits as its factorization.

245343320203511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 245343320203511 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred twenty million, two hundred three thousand, five hundred eleven".