1151322051 has 32 divisors (see below), whose sum is σ = 1732608000. Its totient is φ = 673725600.

The previous prime is 1151322023. The next prime is 1151322071. The reversal of 1151322051 is 1502231511.

It is not a de Polignac number, because 1151322051 - 2⁵ = 1151322019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151322001) 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 31 ways as a sum of consecutive naturals, for example, 574950 + ... + 576948.

It is an arithmetic number, because the mean of its divisors is an integer number (54144000).

Almost surely, 2^1151322051 is an apocalyptic number.

1151322051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1151322051 is a deficient number, since it is larger than the sum of its proper divisors (581285949).

1151322051 is a wasteful number, since it uses less digits than its factorization.

1151322051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1151322051 is about 33931.1368951882. The cubic root of 1151322051 is about 1048.0908773994.

Adding to 1151322051 its reverse (1502231511), we get a palindrome (2653553562).

The spelling of 1151322051 in words is "one billion, one hundred fifty-one million, three hundred twenty-two thousand, fifty-one".