1151005051 has 12 divisors (see below), whose sum is σ = 1339759920. Its totient is φ = 985960080.

The previous prime is 1151005039. The next prime is 1151005087. The reversal of 1151005051 is 1505001511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1151005051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151009051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83305 + ... + 96133.

It is an arithmetic number, because the mean of its divisors is an integer number (111646660).

Almost surely, 2^1151005051 is an apocalyptic number.

1151005051 is a deficient number, since it is larger than the sum of its proper divisors (188754869).

1151005051 is a wasteful number, since it uses less digits than its factorization.

1151005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674 (or 14667 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 1151005051 is about 33926.4653478667. The cubic root of 1151005051 is about 1047.9946763103.

Adding to 1151005051 its reverse (1505001511), we get a palindrome (2656006562).

The spelling of 1151005051 in words is "one billion, one hundred fifty-one million, five thousand, fifty-one".