1151512011 has 16 divisors (see below), whose sum is σ = 1837170720. Its totient is φ = 708622560.

The previous prime is 1151511971. The next prime is 1151512031. The reversal of 1151512011 is 1102151511.

1151512011 is a `hidden beast` number, since 1 + 151 + 512 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1151512011 - 2⁷ = 1151511883 is a prime.

It is a super-2 number, since 2×1151512011² = 2651959822954528242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1151512031) 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, 1639980 + ... + 1640681.

It is an arithmetic number, because the mean of its divisors is an integer number (114823170).

Almost surely, 2^1151512011 is an apocalyptic number.

1151512011 is a deficient number, since it is larger than the sum of its proper divisors (685658709).

1151512011 is a wasteful number, since it uses less digits than its factorization.

1151512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280683 (or 3280677 counting only the distinct ones).

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

The square root of 1151512011 is about 33933.9359786041. The cubic root of 1151512011 is about 1048.1485167582.

Adding to 1151512011 its reverse (1102151511), we get a palindrome (2253663522).

The spelling of 1151512011 in words is "one billion, one hundred fifty-one million, five hundred twelve thousand, eleven".