1151135651 has 4 divisors (see below), whose sum is σ = 1152359904. Its totient is φ = 1149911400.

The previous prime is 1151135647. The next prime is 1151135659. The reversal of 1151135651 is 1565311511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1151135651 - 2² = 1151135647 is a prime.

It is a super-2 number, since 2×1151135651² = 2650226574006387602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151135659) 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 3 ways as a sum of consecutive naturals, for example, 610715 + ... + 612596.

It is an arithmetic number, because the mean of its divisors is an integer number (288089976).

Almost surely, 2^1151135651 is an apocalyptic number.

1151135651 is a deficient number, since it is larger than the sum of its proper divisors (1224253).

1151135651 is an equidigital number, since it uses as much as digits as its factorization.

1151135651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224252.

The product of its digits is 2250, while the sum is 29.

The square root of 1151135651 is about 33928.3900443272. The cubic root of 1151135651 is about 1048.0343120843.

The spelling of 1151135651 in words is "one billion, one hundred fifty-one million, one hundred thirty-five thousand, six hundred fifty-one".