1145115011 has 8 divisors (see below), whose sum is σ = 1180480560. Its totient is φ = 1110281472.

The previous prime is 1145115001. The next prime is 1145115017. The reversal of 1145115011 is 1105115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145115011 is a prime.

It is a super-2 number, since 2×1145115011² = 2622576776835060242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145115017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128630 + ... + 137243.

It is an arithmetic number, because the mean of its divisors is an integer number (147560070).

Almost surely, 2^1145115011 is an apocalyptic number.

1145115011 is a deficient number, since it is larger than the sum of its proper divisors (35365549).

1145115011 is an equidigital number, since it uses as much as digits as its factorization.

1145115011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266005.

The product of its (nonzero) digits is 100, while the sum is 20.

The square root of 1145115011 is about 33839.5480318517. The cubic root of 1145115011 is about 1046.2039833746.

It can be divided in two parts, 11451 and 15011, that added together give a palindrome (26462).

The spelling of 1145115011 in words is "one billion, one hundred forty-five million, one hundred fifteen thousand, eleven".