11131807133 has 2 divisors, whose sum is σ = 11131807134. Its totient is φ = 11131807132.

The previous prime is 11131807121. The next prime is 11131807147. The reversal of 11131807133 is 33170813111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9085330489 + 2046476644 = 95317^2 + 45238^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131807133 - 2⁶ = 11131807069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11131807096 and 11131807105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131807103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565903566 + 5565903567.

It is an arithmetic number, because the mean of its divisors is an integer number (5565903567).

Almost surely, 2^11131807133 is an apocalyptic number.

It is an amenable number.

11131807133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131807133 is an equidigital number, since it uses as much as digits as its factorization.

11131807133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 11131807133 in words is "eleven billion, one hundred thirty-one million, eight hundred seven thousand, one hundred thirty-three".