1135255111 has 6 divisors (see below), whose sum is σ = 1198150512. Its totient is φ = 1075504500.

The previous prime is 1135255103. The next prime is 1135255133. The reversal of 1135255111 is 1115525311.

It is not a de Polignac number, because 1135255111 - 2³ = 1135255103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135255171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572015 + ... + 1572736.

It is an arithmetic number, because the mean of its divisors is an integer number (199691752).

Almost surely, 2^1135255111 is an apocalyptic number.

1135255111 is a deficient number, since it is larger than the sum of its proper divisors (62895401).

1135255111 is an equidigital number, since it uses as much as digits as its factorization.

1135255111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144789 (or 3144770 counting only the distinct ones).

The product of its digits is 750, while the sum is 25.

The square root of 1135255111 is about 33693.5470231319. The cubic root of 1135255111 is about 1043.1925781825.

The spelling of 1135255111 in words is "one billion, one hundred thirty-five million, two hundred fifty-five thousand, one hundred eleven".