70666511203 has 2 divisors, whose sum is σ = 70666511204. Its totient is φ = 70666511202.

The previous prime is 70666511119. The next prime is 70666511231. The reversal of 70666511203 is 30211566607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70666511203 is a prime.

It is not a weakly prime, because it can be changed into another prime (70666511263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35333255601 + 35333255602.

It is an arithmetic number, because the mean of its divisors is an integer number (35333255602).

Almost surely, 2^70666511203 is an apocalyptic number.

70666511203 is a deficient number, since it is larger than the sum of its proper divisors (1).

70666511203 is an equidigital number, since it uses as much as digits as its factorization.

70666511203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 70666511203 in words is "seventy billion, six hundred sixty-six million, five hundred eleven thousand, two hundred three".