1151051211 has 6 divisors (see below), whose sum is σ = 1662629540. Its totient is φ = 767367468.

The previous prime is 1151051189. The next prime is 1151051263. The reversal of 1151051211 is 1121501511.

1151051211 is a `hidden beast` number, since 1 + 151 + 0 + 512 + 1 + 1 = 666.

It is not a de Polignac number, because 1151051211 - 2¹⁵ = 1151018443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151051411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63947281 + ... + 63947298.

Almost surely, 2^1151051211 is an apocalyptic number.

1151051211 is a deficient number, since it is larger than the sum of its proper divisors (511578329).

1151051211 is a wasteful number, since it uses less digits than its factorization.

1151051211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127894585 (or 127894582 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 1151051211 is about 33927.1456359064. The cubic root of 1151051211 is about 1048.0086857442.

Adding to 1151051211 its reverse (1121501511), we get a palindrome (2272552722).

The spelling of 1151051211 in words is "one billion, one hundred fifty-one million, fifty-one thousand, two hundred eleven".