1135115331 has 12 divisors (see below), whose sum is σ = 1760587272. Its totient is φ = 648637248.

The previous prime is 1135115329. The next prime is 1135115351. The reversal of 1135115331 is 1335115311.

It is a happy number.

It is not a de Polignac number, because 1135115331 - 2¹ = 1135115329 is a prime.

It is a super-2 number, since 2×1135115331² = 2576973629342479122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135115351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3860790 + ... + 3861083.

It is an arithmetic number, because the mean of its divisors is an integer number (146715606).

Almost surely, 2^1135115331 is an apocalyptic number.

1135115331 is a deficient number, since it is larger than the sum of its proper divisors (625471941).

1135115331 is an equidigital number, since it uses as much as digits as its factorization.

1135115331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721890 (or 7721883 counting only the distinct ones).

The product of its digits is 675, while the sum is 24.

The square root of 1135115331 is about 33691.4726748476. The cubic root of 1135115331 is about 1043.1497615379.

The spelling of 1135115331 in words is "one billion, one hundred thirty-five million, one hundred fifteen thousand, three hundred thirty-one".