1131200011 has 8 divisors (see below), whose sum is σ = 1158063984. Its totient is φ = 1104361440.

The previous prime is 1131200003. The next prime is 1131200033. The reversal of 1131200011 is 1100021311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131200011 - 2³ = 1131200003 is a prime.

It is a super-2 number, since 2×1131200011² = 2559226929772800242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131200311) 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, 107685 + ... + 117721.

It is an arithmetic number, because the mean of its divisors is an integer number (144757998).

Almost surely, 2^1131200011 is an apocalyptic number.

1131200011 is a deficient number, since it is larger than the sum of its proper divisors (26863973).

1131200011 is a wasteful number, since it uses less digits than its factorization.

1131200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12701.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1131200011 is about 33633.3169788530. The cubic root of 1131200011 is about 1041.9490112870.

Adding to 1131200011 its reverse (1100021311), we get a palindrome (2231221322).

The spelling of 1131200011 in words is "one billion, one hundred thirty-one million, two hundred thousand, eleven".