11110001131 has 2 divisors, whose sum is σ = 11110001132. Its totient is φ = 11110001130.

The previous prime is 11110001129. The next prime is 11110001173. The reversal of 11110001131 is 13110001111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110001131 - 2¹ = 11110001129 is a prime.

It is a super-2 number, since 2×11110001131² (a number of 21 digits) contains 22 as substring.

Together with 11110001129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11110005131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555000565 + 5555000566.

It is an arithmetic number, because the mean of its divisors is an integer number (5555000566).

Almost surely, 2^11110001131 is an apocalyptic number.

11110001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110001131 is an equidigital number, since it uses as much as digits as its factorization.

11110001131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 11110001131 its reverse (13110001111), we get a palindrome (24220002242).

The spelling of 11110001131 in words is "eleven billion, one hundred ten million, one thousand, one hundred thirty-one".