1208111151 has 16 divisors (see below), whose sum is σ = 1735737696. Its totient is φ = 743018496.

The previous prime is 1208111141. The next prime is 1208111167. The reversal of 1208111151 is 1511118021.

It is not a de Polignac number, because 1208111151 - 2⁵ = 1208111119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208111131) 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, 66511 + ... + 82703.

It is an arithmetic number, because the mean of its divisors is an integer number (108483606).

Almost surely, 2^1208111151 is an apocalyptic number.

1208111151 is a deficient number, since it is larger than the sum of its proper divisors (527626545).

1208111151 is a wasteful number, since it uses less digits than its factorization.

1208111151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18122.

The product of its (nonzero) digits is 80, while the sum is 21.

The square root of 1208111151 is about 34757.8933625155. The cubic root of 1208111151 is about 1065.0474681834.

Adding to 1208111151 its reverse (1511118021), we get a palindrome (2719229172).

It can be divided in two parts, 12081 and 11151, that added together give a palindrome (23232).

The spelling of 1208111151 in words is "one billion, two hundred eight million, one hundred eleven thousand, one hundred fifty-one".