1345205211 has 16 divisors (see below), whose sum is σ = 2050938624. Its totient is φ = 768275424.

The previous prime is 1345205159. The next prime is 1345205219. The reversal of 1345205211 is 1125025431.

It is a happy number.

It is not a de Polignac number, because 1345205211 - 2⁷ = 1345205083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345205219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25200 + ... + 57666.

It is an arithmetic number, because the mean of its divisors is an integer number (128183664).

Almost surely, 2^1345205211 is an apocalyptic number.

1345205211 is a deficient number, since it is larger than the sum of its proper divisors (705733413).

1345205211 is a wasteful number, since it uses less digits than its factorization.

1345205211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34450.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1345205211 is about 36677.0392889066. The cubic root of 1345205211 is about 1103.8994416193.

The spelling of 1345205211 in words is "one billion, three hundred forty-five million, two hundred five thousand, two hundred eleven".