1150131551011 has 2 divisors, whose sum is σ = 1150131551012. Its totient is φ = 1150131551010.

The previous prime is 1150131550973. The next prime is 1150131551021. The reversal of 1150131551011 is 1101551310511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150131551011 - 2¹¹ = 1150131548963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150131551021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575065775505 + 575065775506.

It is an arithmetic number, because the mean of its divisors is an integer number (575065775506).

Almost surely, 2^{1150131551011} is an apocalyptic number.

1150131551011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150131551011 is an equidigital number, since it uses as much as digits as its factorization.

1150131551011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 25.

Adding to 1150131551011 its reverse (1101551310511), we get a palindrome (2251682861522).

The spelling of 1150131551011 in words is "one trillion, one hundred fifty billion, one hundred thirty-one million, five hundred fifty-one thousand, eleven".